Question

The minimum number of C atoms an
alkyne must have to show
diastereomerism:
A
4
B
5
с
6
D​

Answer 1

Answer: (B) 5

Explanation: To show diastereoisomerism, an alkyne should have a minimum of 5 carbon atoms. This will result in the formation of cis and trans isomers which can also be designated as Z and E isomers.

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Answer 2

Answer:4 carbon atoms

Explanation:

Alkynes don't show enantiomerism like alkenes.so they want 3 carbons to show enantiomerism. likewise to show diasteriomerism alkynes need 4 carbons