question_answer

Bond angle and bond length in benzene are

A)  \[120{}^\circ \]and 1.34\[\overset{o}{\mathop{\text{A}}}\,\]  

B)  \[120{}^\circ \]and 1.39\[\overset{o}{\mathop{\text{A}}}\,\]

C)  \[180{}^\circ \]and 1.33\[\overset{o}{\mathop{\text{A}}}\,\]  

D)  \[120{}^\circ \] and 1.54\[\overset{o}{\mathop{\text{A}}}\,\]

Correct Answer: B

Solution :

 Bond angle and bond length in benzene are \[120{}^\circ \]and\[1.39\overset{o}{\mathop{\text{A}}}\,\]respectively, sp2 hybridization presents in benzene. Its resonating structure is as