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

Chemistry · Class 11 · CBSE — Hydrocarbons

Acetylene reacts with sodamide to form sodium acetylides.
\(\mathrm{CH} \equiv \mathrm{CH}+\mathrm{Na} \xrightarrow{\text { liq. } \mathrm{NH}_{3}} \mathrm{CH} \equiv \mathrm{CNa}+\frac{1}{2} \mathrm{H}_{2}\)
When passed through ammoniacal cuprous chloride solution, a red precipitate is formed.
\(\mathrm{CH} \equiv \mathrm{CH}+\mathrm{Cu}_{2} \mathrm{Cl}_{2}+\mathrm{NH}_{4} \mathrm{OH} \longrightarrow \mathrm{CuC} \equiv \mathrm{CCu}+2 \mathrm{NH}_{4} \mathrm{Cl}+2 \mathrm{H}_{2} \mathrm{O}\)
Acetylene reacts with chlorine in the dark to form di or tetrachlorides.
\(\mathrm{CH} \equiv \mathrm{CH}+\mathrm{Cl}_{2} \xrightarrow{\mathrm{CCl}_{4}} \mathrm{CHCl}=\mathrm{CHCl} \xrightarrow[\mathrm{CCl}_{4}]{\mathrm{Cl}_{2}} \mathrm{CHCl}_{2}-\mathrm{CHCl}_{2}\)
Acetylene when passed through ammoniacal silver nitrate gives a white precipitate.
CH CH + 2AgNO₃ + 2NH₄OH → AgC CAg + 2NH₄NO₃ + 2H₂O

Answer

(C) Acetylene reacts with chlorine in the dark to form di or tetrachlorides. CH CH + Cl _ 2 CCl _ 4 CHCl = CHCl [ CCl _ 4 ] Cl _ 2 CHCl _ 2 - CHCl _ 2

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

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