324235 In the reaction

A is:

324236 \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{Cl} \underset{\mathrm{Cu}_{2} \mathrm{O}, 200^{\circ} \mathrm{C}}{\stackrel{\mathrm{NH}_{3}}{\longrightarrow}} \mathrm{X}\)
\(X \underset{0-5^{0} \mathrm{C}}{\stackrel{\mathrm{HNO}_{2}}{\longrightarrow}} Z ; X+Z \rightarrow A\); the no.of
\(\sigma\) and \(\pi\) bonds in 'A' are

324237 When benzenediazonium chloride is heated with fluoro boric acid, fluorobenzene is formed. This reaction is called

324238 The reagent ' \(R\) ' in the given sequence of chemical reaction is :

324235 In the reaction

A is:

324236 \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{Cl} \underset{\mathrm{Cu}_{2} \mathrm{O}, 200^{\circ} \mathrm{C}}{\stackrel{\mathrm{NH}_{3}}{\longrightarrow}} \mathrm{X}\)
\(X \underset{0-5^{0} \mathrm{C}}{\stackrel{\mathrm{HNO}_{2}}{\longrightarrow}} Z ; X+Z \rightarrow A\); the no.of
\(\sigma\) and \(\pi\) bonds in 'A' are

324237 When benzenediazonium chloride is heated with fluoro boric acid, fluorobenzene is formed. This reaction is called

324238 The reagent ' \(R\) ' in the given sequence of chemical reaction is :

324235 In the reaction

A is:

324236 \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{Cl} \underset{\mathrm{Cu}_{2} \mathrm{O}, 200^{\circ} \mathrm{C}}{\stackrel{\mathrm{NH}_{3}}{\longrightarrow}} \mathrm{X}\)
\(X \underset{0-5^{0} \mathrm{C}}{\stackrel{\mathrm{HNO}_{2}}{\longrightarrow}} Z ; X+Z \rightarrow A\); the no.of
\(\sigma\) and \(\pi\) bonds in 'A' are

324237 When benzenediazonium chloride is heated with fluoro boric acid, fluorobenzene is formed. This reaction is called

324238 The reagent ' \(R\) ' in the given sequence of chemical reaction is :

324235 In the reaction

A is:

324236 \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{Cl} \underset{\mathrm{Cu}_{2} \mathrm{O}, 200^{\circ} \mathrm{C}}{\stackrel{\mathrm{NH}_{3}}{\longrightarrow}} \mathrm{X}\)
\(X \underset{0-5^{0} \mathrm{C}}{\stackrel{\mathrm{HNO}_{2}}{\longrightarrow}} Z ; X+Z \rightarrow A\); the no.of
\(\sigma\) and \(\pi\) bonds in 'A' are

324237 When benzenediazonium chloride is heated with fluoro boric acid, fluorobenzene is formed. This reaction is called

324238 The reagent ' \(R\) ' in the given sequence of chemical reaction is :