Question

iska answer batana Sahi Sahi Varna nahin.
sahi jawab batao. please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please​

Answer 1

Answer:

ans d is correct because they also contain pi-bond. example is given in the attachment

Explanation:

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