Question

57. The compound which do not have any primary hydrogen
atoms is:
(a) butane
(b) iso-butene
(c) cyclohexane
(d) 2,3-dimethylbutene
a butane
) iso-butene​

Answer 1

Answer:

(b) iso-butene

Explanation:

The answer might be (B), because the is does not have any primary hydrogen.

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Answer 2

Answer will be (c)cyclohexane.
This is because this compound is a ring and all the carbons are secondary since each carbon is attached to two other carbon atoms.

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