CBSE Worksheet for chapter-4 Carbon And Its Compounds class 10

CBSE Worksheet for chapter-4 Carbon And Its Compounds class 10

Worksheet For class 10

This page is prepared by the Academic team of Physics Wallah which consists of CBSE Board Worksheet for Class 10 Chemistry . Students of Class 10 Chemistry can get a free Worksheet for Class 10 Chemistry in PDF format prepared as per the newest syllabus and examination pattern in your schools.

Standard 10 students can practice questions and answers which are given here for Chemistry in Grade 10 that will help them to improve their knowledge of all important chapters and their topics. Students can also download free pdf of Class 10 Chemistry Notes prepared by teachers and solve important problems provided here with solutions on daily basis to get more scores in school exams and tests.

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Summary

• Introduction of organic chemistry, vital force theory, Wohler’s synthesis.
• Covalent bonding, its properties and examples.
• Allotropes of Carbon –

1. Amorphous – coal, charcoal, lampblack.
2. Crystalline – graphite, diamond, fullerene.

• Classification of organic compound.
• Alkanes, alkenes, alkynes, alkyl group and homologous series.
• Nomenclature (IUPAC names).
• Isomerism.
• Chemical properties – combustion, oxidation, addition and substitution reactions.
• Properties and uses of ethanol and ethanoic acid.
• Soaps and detergents –

1. Structure, source.
2. Preparation of soap.
3. Comparison between soaps and detergents.
4. Cleansing action (micelle formation).

Section - 1

Q1. Which of the following is not the property of diamond ?

1. It is insoluble in all solvents.
2. It is an isomer of graphite.
3. It is purest form of carbon.
4. It is oxidized with a mixture of K₂Cr₂O₇ and H₂SO₄ at 200°C.

Q2. Total number of non-cyclic structural isomers of C₄H₁₀ are –

• 5
• 7
• 2
• 4

Q3. Which of the following pairs is an example of chain isomer ?

1. CH₃-CH₂-OH and CH₃OCH₃
2. CH₃-CH₂-CHO and CH₃-CO-CH₃
3. CH₃-CH₂-CH₂CH₂CH₃ and CH₃-CH-CH₂-CH₃ CH₃
4. All the above.

Q4. Which of the following is a functional isomer of CH₃-COOH ?

1. CH₃-CH₂-OH
2. CH₃-C-CH₃
3. H-C-OCH₃
4. All of these

Q5. Isomers have -

1. Same molecular formula and same structure.
2. Different molecular formula and different structure.
3. Same molecular formula and different structure.
4. Different molecular formula and same structure.

Q6. The number of C-H bonds in ethane (C₂H₆) molecule –

1. Four
2. Six
3. Eight
4. Ten

Q7. Which of the following is/are saturated hydrocarbon ?

1. C₂H₆
2. C₂H₄
3. C₂H₅
4. All of these

Q8. The IUPAC name of the compound having the formula (CH₃)₃CCH=CH₂ is –

• 3,3,3-trimethyl-1-propane
• 1,1,1-trimethyl-1-butene
• 3,3-dimethyl-1-butene
• 1,1-dimethyl-1,3-butene

Q9. IUPAC name of second member of homologous series of carboxylic acids is –

1. Methanoic acid
2. Ethanoic acid
3. Propanoic acid
4. Butanoic acid

Q10. Which of the following gives ethane when heated with conc. Sulphuricacid ?

1. CH₃CHO
2. CH₃COOH
3. CH₃OH
4. CH₃CH₂OH

Q11. Cleansing action of soaps include –

1. Formation of micelles.
2. Emulsification of oil or grease.
3. Lowering of surface tension of water.
4. All of the above.

Section - 2

Q12. Give the chemical reaction involved in the preparation of soap ?

Q13. What happens when a small piece of sodium is dropped into ethanol ?

Q14. Write the formula of the following –

1. Simplest ketone
2. Next higher homologue of butanoic acid
3. Acetic acid
4. n- butyl alcohol.

Q15. What are saturated hydrocarbons ? Give one example ?

Q16. Name one electrovalent and one covalent compound containing chlorine ?

Q17. Name a carbon containing molecule in which two double bonds are present ?