Question

Which of the following reactions does not show the acidic nature of ethyne?

• A. Acetylene reacts with sodamide to form sodium acetylene.
• B. When passed through ammoniacal cuprous chloride solution, a red precipitate is formed.
• C. Acetylene reacts with chlorine in dark to form di or tetrachlorides.
• D. Acetylene when passed through ammoniacal silver nitrate gives a white precipitate. $\mathrm { CH } \equiv \mathrm { CH } + 2 \mathrm { AgNO } _ { 3 } + 2 \mathrm { NH } _ { 4 } \mathrm { OH } \rightarrow$ $\mathrm { Agc } \equiv \mathrm { CAg } + 2 \mathrm { NH } _ { 4 } \mathrm { NO } _ { 3 } + 2 \mathrm { H } _ { 2 } \mathrm { O }$

Answer 1

Answer: (C)

Acetylene reacts with chlorine in dark to form di or tetrachlorides.

Answer 2

: it is an addition reaction.