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The compound having only primary hydrogen atoms is

(a) isobutene

(b) 2,3-dimethylbutene

(c) cyclohexane

(d) all of these.

1 Answer

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Best answer

 Correct option (a) isobutene

Explanation:

A 1° hydrogen atom is one that is bonded to a 1° carbon atom; a 2° hydrogen atom is one that is connected to a 2° carbon atom; etc.

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