Chapter 4 · Class 10 Chemistry
Carbon and Its Compounds — Questions & Answers
Board-pattern questions from Carbon and Its Compounds, each with the correct answer and the reasoning behind it. 274 questions from this chapter are on TestSaathi; a few of them are below so you can see what the practice looks like before signing up.
Sample questions from Carbon and Its Compounds
Q1. Trial 5: Which equation correctly represents 2C₂H₅OH + 2Na → 2C₂H₅ONa + H₂?
- A.2C₂H₅OH + 2Na → 2C₂H₅ONa + H₂✓
- B.C₂H₅OH + Na → C₂H₅ONa + H₂
- C.2C₂H₅OH + Na → C₂H₅ONa + H₂
- D.C₂H₅OH + 2Na → 2C₂H₅ONa + H₂
SolutionTwo ethanol molecules react with two sodium atoms to release one H₂ molecule.
Q2. The carbon atoms in ethene are joined by:
- A.one double bond✓
- B.one single bond only
- C.one triple bond
- D.an ionic bond
SolutionEthene contains a C=C double bond.
Q3. Trial 6: Which equation correctly represents C₂H₄ + H₂ → C₂H₆?
- A.C₂H₄ + H₂ → C₂H₆✓
- B.C₂H₄ + 2H₂ → C₂H₆
- C.2C₂H₄ + H₂ → C₂H₆
- D.C₂H₄ + H₂ → 2C₂H₆
SolutionOne hydrogen molecule adds across the double bond of ethene.
Q4. An ester has a fruity smell and is formed from ethanol and ethanoic acid. Its name is:
- A.ethyl ethanoate✓
- B.methyl methanoate
- C.ethanoic ethanol
- D.ethene oxide
SolutionEthanol plus ethanoic acid forms ethyl ethanoate.
Q5. The general formula of alkanes is:
- A.CₙH₂ₙ₊₂✓
- B.CₙH₂ₙ
- C.CₙH₂ₙ₋₂
- D.CₙHₙ
SolutionOpen-chain alkanes follow CₙH₂ₙ₊₂.
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