Predict the initial and final products for the following reaction involving 2-pentyne. hint: the products are isomers and in equilibrium with each other.
2-pentyne with catalyst of h2o, h2so4, hgso4

Structure of both products are given below.

Explanation:

This reaction is an example of oxymercuration reaction of double bond.Here ion makes coordination with double bond in first step resulting formation of a complex having transient carbocationic character. In the second step, a water molecule attacks the above complex at more substituted position and forms an enol (initial product) subsequently.Enol is being tautomerized and converted to a ketone (final product)Full mechanism has been shown below.

The chemical bubbles

C. 1s22s22p63s23p43d104s24p5