JEE Main Chemistry question

*Gem*-dihalides, on treatment with excess alcoholic KOH, give

(A)AlkyneCorrect
(B)Alkene
(C)Alkane
(D)All of these

Answer: (A)

Solution

A *gem*-dihalide (both halogens on the same carbon, R–CH–CHX) undergoes a first E2 elimination with alcoholic KOH to give a vinyl halide (R–CH=CHX), and with excess base a second E2 elimination

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-142450