Which of the following reactions is a Wurtz - Fittig reaction?

1. $\mathrm{C}_6 \mathrm{H}_5 \mathrm{Cl}+\mathrm{CH}_3 \mathrm{Cl}+2 \mathrm{Na} \stackrel{\text { dry }}{\stackrel{\text { ether }}{\longrightarrow}} \mathrm{C}_6 \mathrm{H}_5-\mathrm{CH}_3+2 \mathrm{NaCl}$
2. $\mathrm{C}_2 \mathrm{H}_5 \mathrm{Cl}+\mathrm{CH}_3 \mathrm{Cl}+2 \mathrm{Na} \stackrel{\text { dry }}{\stackrel{\text { ether }}{\longrightarrow}} \mathrm{C}_3 \mathrm{H}_8+2 \mathrm{NaCl}$
3. $2 \mathrm{C}_2 \mathrm{H}_5 \mathrm{Cl}+2 \mathrm{Na} \stackrel{\text { dry }}{\stackrel{\text { ether }}{\longrightarrow}} \mathrm{C}_2 \mathrm{H}_5-\mathrm{C}_2 \mathrm{H}_5+2 \mathrm{NaCl}$
4. $2 \mathrm{C}_6 \mathrm{H}_5 \mathrm{Cl}+2 \mathrm{Na} \longrightarrow \underset{\text { ether }}{\longrightarrow} \mathrm{C}_6 \mathrm{H}_5-\mathrm{C}_6 \mathrm{H}_5+2 \mathrm{NaCl}$

Solution

Asked in: MHT CET 2021 (21 Sep Shift 2)

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