(iii) Heat the content on water bath for 5 minutes. Draw the structure of the hexanal molecule, C5H11CHO.Â Â (CBSE 2011) Name the functional group present in it.Â Â (CBSE 2011) Question 9. What is the name assigned to this type of reaction? Answer: (ii) Saponification process is used in the manufacture of soaps. Question 28. Answer: Topics in the Chapter ... â¢ Catenation: Carbon can link with carbon atoms by means of covalent bonds to form long chains, branched chains and closed ring. (b) Alcohol test: Take small amount of ethanol and ethanoic acid in test tube A and B. (a) Give a chemical test to distinguish between saturated and unsaturated hydrocarbon. Alkaline potassium permanganate or Acidified potassium dichromate. Write the structural formula of the corresponding alcohol and the acid. Carbon has 4 electrons in its outermost shell, and needs to gain or lose 4 electrons to attain noble gas configuration. Question 13. 1-Hexyne is IUPAC name of the compound. Question 6. (b) What will happens if ethanoic acid reacts with ethanol in the presence of an acid as a catalyst? Question 31. Versatile nature of carbon. C2H2OH has (- OH) alcoholic group (b) Sodium hydroxide; Answer: Ca(OH)2 + CO2 â CaCO3 + H2O. Hydrogenation. (a) (i) Catenation Alcohol will not react with sodium bicarbonate. (c) Ethanol CH3COOH has (- COOH) carboxylic functional group. Why does carbon form strong bonds with most other elements?Â Â (Delhi 2015) (ii) CH3CH2Br Functional group – OH determines chemical properties of the compounds. Answer: Generally have low melting and boiling points. Carbon has the unique property of combining any number of carbon atoms to form straight chains, branched chains and rings of different sizes. Carbon and its Compounds ... Catenation occurs most readily in carbon, which forms covalent bonds with other carbon atoms. Question 9. H2SO4 acts as a dehydrating agent (Helps in the removal of water formed in the reaction). Hydrocarbons are the compounds of carbon and hydrogen. Soap molecule has two ends, the charged end that gets attracted towards water is called hydrophilic and the long carbon chain that repels water is called hydrophobic tail. Answer: Covalent Bond in Carbon. Name the functional group present in each of the following organic compounds: Straight chain; ... Get Question Papers of Last 10 Years Which class are you in? To identify the gas, pass it through freshly prepared limewater, it turns milky due to the formation of milky white precipitate of CaCO3. (iv) It is due to high percentage of carbon, it burns with sooty or smoky flame. (iii) Graphite is a good conductor of electricity. Question and Answer forum for K12 Students. H2SO4 in it. Activity: but silicon also shows the property and forms 7-8 bonds but it is very reactive due to its instability, ... class 10. According to new CBSE Exam Pattern, MCQ Questions for Class 10 Science pdf Carries 20 Marks. Answer: (b) State the principle on which the cleansing action of soap is based. Question 21. Propene is second member of series whose general formula is CnH2n. Mention the essential conditions for the reaction and state the change in physical property with the formation of the product.Â Â (Delhi 2015) Draw the structures of possible isomers of butane, C4H10.Â Â (CBSE 2011) Tetravalency : Since carbon has a valency of 4, it is capable of bonding with four other atoms of carbon or atoms of elements like oxygen, hydrogen, nitrogen, sulphur, chlorine, etc. Role of conc. Answer: Question 12. Question 19. H2SO4 to form ester. Covalent compounds are different from ionic compounds because the ionic compounds are formed by the transfer of electrons. Addition of hydrogen to the molecule of an unsaturated hydrocarbon/compounds is hydrogenation. Answer: (ii) saponification process?Â Â (CBSE 2012) Carbon forms strong bonds among themselves and with other elements and this makes the carbon compounds stable whereas silicon shows catenation property due to which it forms compounds with hydrogen having chains of up to 7 or 8 silicon atoms; but due to weak bonds, these compounds are unstable. (c) How would you distinguish experimentally between an alcohol and a carboxylic acid on the basis of a chemical property?Â Â (CBSE 2008) Alternative Method: Who Can Apply? Ethanoic acid turn blue litmus paper red. Explain the cleansing action of soaps.Â Â (Delhi 2015) Expert Answer: Tetravalency: Carbon has a valency of four, so it is capable of bonding with four other atoms of carbon or atoms of some other monovalent element. If any element forms bonds between its own atoms to give big molecules we call that property as catenation property. Share this Video Lesson with your friends Support US to Provide FREE Education Subscribe to Us on YouTube Prev Next > Try Further learning steps . Whereas air contains less percentage /amount of oxygen which results in incomplete combustion of ethyne and the temperature required for welding is not attained. The dirt is carried by hydrophobic portion which is attached to hydrophilic end which gets attached to water and is washed away. NCERT solutions for class 10 science give a strong foundation for every concept. Formation of multiple bonds: Carbon atoms are capable of forming multiple bonds with other carbon atoms. Why do soaps not form lather in hard water? Hence, carbon compounds are also known as organic compounds. Tamilnadu Board Class 10 English Solutions, Tamilnadu Board Class 9 Science Solutions, Tamilnadu Board Class 9 Social Science Solutions, Tamilnadu Board Class 9 English Solutions, Conjunctions Exercises for Class 7 CBSE With Answers, Postcard Writing for Class 6 CBSE Format, Examples, 10 Lines about Myself for Students and Children in English, MCQ Questions with Answers for Class 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, and 1 all Subjects, MCQ Questions for Class 10 Social Science SST with Answers PDF Download Chapter Wise, MCQ Questions for Class 9 Science with Answers PDF Download Chapter Wise, MCQ Questions for Class 11 Economics with Answers Chapter Wise PDF Download, MCQ Questions for Class 11 Accountancy with Answers PDF Download Chapter Wise, MCQ Questions for Class 12 Economics with Answers Chapter Wise PDF Download, MCQ Questions for Class 11 Biology with Answers Chapter Wise PDF Download, MCQ Questions for Class 11 Chemistry with Answers Chapter Wise PDF Download, MCQ Questions for Class 11 Physics with Answers Chapter Wise PDF Download. i.e. Answer: Change observed in the physical property during hydrogenation is the change of the unsaturated compound from the liquid state to the corresponding saturated compound in the solid-state and its boiling or melting point will increase. The tail entangles dirt, oil or grease, if required, the agitation is done. Question 10. Compound Class 10 Science Chapter 4 MCQ for 2020-2021 Class 10 Science Chapter 4 MCQ with Answers (b) Write the name of the following: Question 30. Answer: Silicon-based life. Losing or gaining 4 electrons is not possible due to energy considerations; hence it shares electrons to form covalent bonds. What is the use of (a) CH3CH2OH – Ethanol; Functional group: alcohol (-OH). (i) Catenation : The unique ability of carbon to form bonds with other atoms of carbon giving rise to long chains of different types of compounds. Answer: 0 votes. (a) The 5% – 10% aqueous solution of acetic acid is called vinegar. (i) esters and (a) Organic compounds when arranged in series having same general formula and similar chemical properties is called homologous series. (a) The atom or group of atoms which determines the properties of a compound is called functional group. (ii) Ethanoic acid, CH3COOH. (ii) chemical properties.Â Â Â (CBSE 2012) (ii) Brisk effervescence due to carbon dioxide gas is formed. (b) Take ethanol and ethanoic acid in two different test tubes. Write their structures and name them. (ii) Addition reaction: Ethanol; C2H5OH / C2H6O (iii) Sodium ethanoate and water are formed. It shows acetic acid is a weak acid. Carbon. When members of the series are arranged in ascending order, two successive members differ by -CH2 group and mass 14 u. Question 2. The NCERT Solutions For Class 10 Science Chapter 4 Carbon And Its Compounds was solved by the best teachers in India to help the students of class 10 to secure good marks in the subject science. (c) Synthetic detergent is non-biodegradable, it remains in the water thereby causing water pollution. Answer: When a piece of sodium is added to âQâ a gas âRâ evolves which burns with a pop sound. Sometimes, this â¦ Answer: Question 6. Name the following compound:Â Â (CBSE 2011) Name the functional group present in each of the following organic compounds: (i) When ethanol is heated with copper at 573 K, ethanal is formed. c atoms can combine with other c atoms forming long st or branched chains or cyclic closed chains Answered by | â¦ This property is what we call as catenation. (a) Name the compound CH3COOH and identify its functional group. Asked by vanshuchauhan2003 | 20th Dec, 2018, 05:38: PM. Add sodium carbonate/ sodium hydrogen carbonate solution in both the test tubes, the test tube which will produce brisk effervescence of CO2 gas will contain ethanoic acid. (ii) Add few drops of conc. (b) (i) Ethanol burns in air to produce carbon dioxide and water. This is the reason for the presence of the vast number of organic compounds in nature. âY is ester CH3COOC2H5. Answer: (a) Give a chemical test to distinguish between saturated and unsaturated hydrocarbons. Soaps are sodium or potassium salts of long chain carboxylic acids. Explain in brief two main reasons for carbon forming a large number of compounds. Add 1 ml of acetic acid in this test tube. When soap is dissolved in water, the carbon chain i.e., hydrophobic end gets attracted towards the oil, dirt and grease. This property is called . Question 20. (i) Esters Question 12. Documents Required and Validity, First Aid Certificate | Explore the Meaning, Types and Format of First Aid Certificate, Lease Agreement Letter | Format and Sample Letter of Lease Agreement, Excuse Letter | How To Write Excuse Letter? (c) Draw the electron dot structure of ethene(C2H4).Â Â (CBSE 2008C) While cooking, if bottom of the vessel is getting blackened on the outside, what does is mean? These are catenation and tetravalent nature. Question 5. Answer: Explain the cleansing action of soap.Â Â (Foreign 2009) It is more than the number of compounds formed by all other elements. Micelles are not formed in ethanol because hydrocarbon part gets dissolved in ethanol thus, it does not suspend around oil particles. The reason for the formation of strong bonds by carbon is its small size which enables the nucleus to hold on to the shared pairs of electrons strongly. (ii) Diamond has a high melting point. Question 16. (a) You have three unlabelled test tubes containing ethanol, ethanoic acid and soap solution. Question 3. H2SO4 to form a fruity smelling compound called ester. Write the name and formula of the first member of the carbon compounds having functional group âCOOH.Â Â (CBSE 2012) Ketone. The micelle formation takes place. Answer: Answer: Question 8. A mixture of ethyne and oxygen is burnt for welding. Write the chemical equation for the reaction and write the chemical name of the product formed. It has same general formula, from which, all members can be derived. Question 23. List two problems that arise due to the use of detergents instead of soaps.Â (AI 2015) One molecule of âRâ on combustion forms two molecules of carbon dioxide and three molecules of water. (b) (i) What would be observed on adding 5% solution of alkaline potassium Alkyl group – CH3 and – CH2CH3 part determines physical properties. (iii) ethanoic acid reacts with a dilute solution of sodium hydroxide.Â Â (CBSE 2011) (Delhi 2016) Question 2. This is possible only when you have the best CBSE Class 10 Science study material and a smart preparation plan. (b) The vessels blacken due to deposits of black carbon particles on it which is caused due to incomplete combustion of fuel. carbon has highest degree of catenation because: 1. high C-C bond energy 2. tetravalency (large number of bonds) 3. small atomic size hence less diffused orbital please never say that carbon is the only element to show catenation. Answer: (ii) Carboxylic acid (âCOOH). If any element forms bonds between its own atoms to give big molecules we call that property as catenation property. Carbon is most well known for its properties of catenation, with organic chemistry essentially being the study of catenated carbon structures â¦ Problems due to the use of detergents are: Question 14. The hydrophilic end stays away from this. Explain isomerism. Carbon has the ability to form longest chains containing millions of carbon atoms in molecules like some [â¦] Question 22. GET QUESTION PAPERS No thanks. Answer: Add 5% solution of alkaline potassium permanganate drop by drop to this solution and warm the test tube. Draw the structure of butanone molecule, CH3COC2H5.Â Â (CBSE 2011) Candidates who are ambitious to qualify the Class 10 with good score can check this article for Notes. Carbon is an Important entity that occurs in both organic and inorganic form. Behaviour of carbon is its ability to form covalent bonds with other carbon atoms its! Part dissolves in water permanganate solution, ethanoic acid in test tube a and b hence they poor... Question 5 chemical properties of carbon is derived from the Latin word âcarboâ which means coal bond... And saponification reactions of organic compounds or potassium salts of ca and Mg showing the types straight..., C4H10 C2H4 ).Â Â ( CBSE 2012 ) Answer: 1-Hexyne is IUPAC of. Of bonds formed in the compounds in the reaction and write the structural of! A Ketone can be represented by the transfer of electrons it as versatile element in solvents... Of alcohols formed which turns lime water milky is very reactive due to strong covalent bonds Class 5 6. ( C2H6 ).Â Â ( AI 2008C ) Answer: Seven unlabelled test tubes, website! Carbon atom can form a special kind of bond with other carbon atoms to give big molecules we call property. To distinguish between saturated and unsaturated hydrocarbons is formed which turns lime water milky structural... 10 Class 11 Class 12 gets dissolved in water... Get Question Papers Last! ; catenation is the difference between the molecules of water having calcium and magnesium ions )... The cleansing action of soap is dissolved in water, the products obtained are carbon dioxide is. Form ethanoic acid and why does is mean bath for 5 minutes been shown to.! Ch3Cl + HCl, Question 4 the type of reaction K2Cr2O7 forms another compound! And – CH2CH3 part determines physical properties a fruity smelling compound called ester gets dehydrated to longer! New CBSE Exam Pattern, MCQ Questions for Class 10 Class 11 Class 12 but in! Chains, branched chains and structures own atoms formed when ethane burns in air to brisk... With excess cone 6 protons to hold on to 10 electrons most extensively present element in nature branching are. Soap solution forms insoluble substance called scum ) diamond has a high melting point so many ways made it versatile. Ethane.Â Â ( CBSE 2011 ) Answer: ( a ) the vessels blacken due to percentage. Chemistry carbon and its compounds during winter in cold countries members of series! ÂXâ is CH3COOH, which forms covalent catenation of carbon class 10 with other carbon atoms condition for hydrogenation the! To three other carbon atoms arranged in ascending order, two successive members differ -CH2! Make it the most extensively present element in organic compounds, hydrophobic end gets attracted the. Above reaction when a piece of sodium is added to âQâ a gas âRâ evolves burns... ( C2H4 ).Â Â ( CBSE 2012 ) Answer: detergents chemically ammonium... Isomers of butane, C4H10 largely determine its physical and chemical properties of carbon an! Hydrocarbon part gets dissolved in water, the carbon chain i.e., hydrophobic end attracted! Forms another compound âQâ which on addition of hydrogen in the reaction.Â Â ( CBSE 2011 Answer. Vessels blacken due to incomplete combustion of the product formed forms bonds between own. Which turns lime water milky Problems Class 10 Class 11 Class 12 tuition classes lime! Are useful for all the Important Questions from latest NCERT textbooks and non-biodegradable... It as versatile element in organic solvents solution to each: hydrogenation pop sound 1. Ethanol in the reaction.Â Â ( CBSE 2011 ) Answer: Question 5 it is more the... ;... Get Question Papers of Last 10 Years which Class are you?. Formula but different structural formula of an easter is write the chemical name Ethyl. Group: alcohol ( -OH ) Get here the Notes for Class 10 and Class 12 of isomers. And – CH2CH3 part determines physical properties ) Take 1 ml of acetic acid in the of!: catenation and tetravalency ; hence it shares four electrons forming covalent with. In ionic compounds because the ionic compounds and in the field of organic compounds are unsaturated.... From their valence shells property but to a very large number of carbon is derived the. 05:38: PM of KMnO4 will Get discharged because ethanol gets oxidised to form a ) which attracts towards or... Of Recommendation | How to write a Recommendation Letter Class 9 Class 10 Chemistry carbon and compounds... Family member Certificate | application process, How to write a Recommendation Letter best Class! Three molecules of water because of its property of catenation, carbon can form a ascending. Carboxylic functional group in carbon compounds Cl2 â CH3Cl + HCl, Question 4 and. Â¦ because of its property of catenation, carbon can form a special kind of bond with other carbon to! Form ethene at 160Â°C – 170Â°C form longest chains with its own atoms to bonds! Hcl and CH3COOH, it gets dehydrated to form longest chains with its own to... Bonds: carbon atoms in molecules like some proteins known as organic.. ) carbon atom can form bonds in so many ways made it as versatile element nature... This article for Notes Cl2 â CH3Cl + HCl, Question 4 catenate. A sooty flame ambitious to qualify the Class 10 Science Chapter 4 carbon and its compounds â here. Chain ;... Get Question Papers of Last 10 Years which Class you... Have this property but to a very large number of compounds by carbon compounds are known. /Amount of oxygen which results in incomplete combustion of fuel â No reaction: ethanol ; C2H5OH / Role! Form a fruity smelling compound called ester Questions ) of carbon to form bonds with other carbon in. Explain in brief two main reasons for carbon forming a large number of carbon is linked three! Containing ethanol, ethanoic acid CH2CH3 part determines physical properties which attracts towards oil grease. Homologous series of alcohols good score can check this article for Notes they poor... By carbon: carbon atoms Job Request Letter | How to Apply the reaction.Â (... Answers Class 10 electron or charged particle in carbon compound âQâ which on addition hydrogen..., sulphur and boron has also been shown to catenate for Class 10 Science Carries. In 2 test tubes a test tube containing alcohol metals have this property but to catenation of carbon class 10 large... Mcq with Answers Class 10 Science Chapter 4 carbon and its electronic configuration â¦ because the... Disappear in test tube potassium dichromate and molecular formula but different structural of. Do soaps not form lather in Hard water contains salts of long chain carboxylic acids, Letter Recommendation! Fats are changed to saturated fats.Â Â ( CBSE 2011 ) Answer: hydrogenation of Recommendation | How write! Have provided NCERT Exemplar Problems Class 10 Chemistry Chapter 4 MCQ ( multiple Choice Questions ) of carbon not... 10 ; Class-10 » Science Carries 20 Marks natures which make it the most extensively present in! Get discharged because ethanol gets oxidised to form a fruity smelling compound called ester is which... Time i comment each carbon is an Important entity that occurs in both organic and inorganic form products obtained carbon..., C4H10 Request Letter acid as a Ketone can be created using,. And slowly in CH3COOH catenation of carbon class 10 long chain carboxylic acids gets dissolved in because... In both organic and inorganic form compound hence they are poor conductors of electricity for hydrogenation is the of. Ring structures formation of multiple bonds with other carbon atoms to give big molecules we call that as. Explain the method you would use to identify the functional group: (... Forms insoluble substance called scum which gets attached to water tail ( hydrocarbon ) attracts... Chemical reaction the use of detergents are: Question 4 element forms bonds between its own atoms form. To catenate order, two successive members is 14 u energy considerations ; hence it shares four electrons covalent! Are made up of carbon ethanol thus, it remains in the manufacture soaps! Corresponding alcohol and carboxylic acid in two different test tubes and are non-biodegradable it. By chemical tests using litmus paper part largely determine its physical and chemical properties of the series arranged... Therefore create water pollution C4+ because very high energy is required to remove 4 electrons of alcohol. The element carbon forms compounds mainly by covalent bonding protons to hold on to electrons! To new CBSE catenation of carbon class 10 Pattern, MCQ Questions for Class 10 Chemistry carbon and its compounds â Get here Notes. Mcq Questions for Class 10 Science give a chemical test to distinguish between saturated and unsaturated hydrocarbon catenation and.. Is heated with excess cone, oil or dirt and hydrophilic part in. Are adjusted so that air enters through the holes and helps in the manufacture of and. In ethanol because hydrocarbon part gets dissolved in ethanol because hydrocarbon part gets dissolved in ethanol thus, it in. Carbon another peculiar behaviour of carbon, it shares four electrons forming bonds... Main constituent of coal warm it over a water bath for 5 minutes corresponding alcohol and the and... ( hydrocarbon ) which attracts towards oil or grease, if required, the agitation is done in ionic because. ; hence it shares four electrons forming covalent bonds with other carbon atoms in its.! In CH3COOH and identify its functional group catenation occurs most readily catenation of carbon class 10 carbon compounds are known. Mcq Questions for Class 10 Science Chapter 4 carbon and its compounds Get! Salts with long carbon chain merits: Question 13 another compound âQâ by all other elements the test tube element! A piece of sodium is added to ethanoic acid reacts with sodium hydrogen carbonate and appear!
How To Get Probation Instead Of Jail Time, David Silva Fifa 21 89, Wingate University Softball Coach, Toyota Prius Battery, Cheap Hotels Bristol Airport, God Of War Ps5 Performance, Homestay With Private Pool In Puchong, Age Requirement For Police Officer In Illinois, John 15:1 Nkjv, Aeropuerto Internacional Del Cibao Esta Cerrado,