MCQ
The correct order towards bond length is
- A$C - C < C = C < C \equiv C$
- ✓$C \equiv C < C = C < C - C$
- C$C = C < C \equiv C < C - C$
- D$C = C < C - C < C \equiv C$
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$(I) \,C_6H_5CH_3$
$(II)\, C_6H_5COOH$
$(III)\, C_6H_6$
$(IV) \,C_6H_5NO_2$
$\begin{array}{*{20}{c}}
{\,{C_2}{H_5}} \\
{|\,\,\,\,\,} \\
{C{H_3} - C - C{H_2}Cl} \\
{|\,\,\,\,\,} \\
{\,{C_2}{H_5}}
\end{array}$