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Hydrogenation of Alkynes

What is the c...

Question

What is the correct statement for the given reactions?
a) B reacts faster than A
b) Both give the same product
c) A gives trans and B gives c is product
d) A gives cis and B gives trans product

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Solution

$Option B is correct.$

In reaction A, groups attached to benzene are on opposite plane so SNGP mechanism will be followed and B will undergo $S N_{2}$ . Due to $S N G P$ (A) reacts faster than B and both give the same product.

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