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Select the molecule which has only one z bond (a) CH ≡ CH (b) CH2 = CH.CHO (c) CH3CH = CHCOOH (d) CH3CH = CH2

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Select the molecule which has only one z bond

(a) CH ≡ CH

(b) CH2 = CH.CHO

(c) CH3CH = CHCOOH

(d) CH3CH = CH2

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Correct option is (d) CH3CH = CH2

CH ≡ CH (a) has two C-C \(\pi\) bonds, while (b) and (c) have one C-C and one C-О \(\pi\) bond.

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