Question

The number of structural and configurational isomers of a bromo compound, C₅H₉Br, formed by the addition of HBr to 2-pentyne respectively are
(a) 1 and 2
(b) 2 and 4
(c) 4 and 2
(d) 2 and 1

Answer 1

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c) 4 and 2

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