Question

We’ll see in the next chapter that alkynes undergo many of the same reactions that alkenes do. What product might you expect from each of the following reactions?

Short answer

(b).

Step-by-step solution

Reaction of alkyne with H2 Pd/C

It is known as Lindlar'scatalyst which reduces the alkyne to alkane by adding two equivalents of$H_2$ in the syn manner.