Class 10 · Science · Science

4. Carbon and its Compounds

Try question 1

The functional group –OH is present in

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Answer and explanation

Answer: B. alcohols

–OH is the alcohol group, as in ethanol C₂H₅OH.

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Try question 2

The general formula of alkanes is

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Answer and explanation

Answer: B. CₙH₂ₙ₊₂

Alkanes are saturated hydrocarbons: CₙH₂ₙ₊₂ (e.g. CH₄, C₂H₆).

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Try question 3

Carbon forms a very large number of compounds mainly because of

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Answer and explanation

Answer: A. catenation and tetravalency

Carbon can link to other carbon atoms in long chains and form four bonds.

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