Hydrocarbons · Alkyne formation and hydration
The dibromo compound [P] (molecular formula : ) when heated with excess sodamide followed by treatment with dilute HCl gives [Q]. On warming [Q] with mercuric sulphate and dilute sulphuric acid yields [R] which gives positive Iodoform test but negative Tollen's test. The compound [P] is :
- (1)

- (2)

- (3)

- (4)

We corrected a printing error in the original paper
Source printed “dilute sulphuric acid yield [R]”.
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