Question

Predict products in the given reaction:

Answer 1

Hydration of 2,7-dimethyl oct-4-yne with sulphuric acid in presence of mercuric sulphate gives 2,7-dimethyl oct-4-yne. Here, a molecule of water is added across carbon carbon triple bond.
2,7-dimethyl oct-4-yne reacts with 2 equivalents of bromine to form 4,4,5,5-tetrabromo-2,7-dimethyloctane. Here, 4 bromine atoms are added to carbon carbon triple bond.