Question

A gas formed by the action of alcoholic KOH on ethyl iodide, decolourises alkaline$KMnO_{4}$. The gas is

• A. $C_{2}H_{6}$
• B. $CH_{4}$
• C. $C_{2}H_{2}$
• D. $C_{2}H_{4}$

Answer 1

Answer: (D)

$C_{2}H_{4}$

Answer 2

$C_{2}H_{5}I + alc.KOH \rightarrow C_{2}H_{4} + KI + H_{2}O$