Gujarat BoardEnglish MediumSTD 11 ScienceChemistry9. Hydricarbon1 Mark
MCQ
Carbon-Carbon bond length in benzene is.....$\mathop A\limits^o $
A
$1.20$ and $1.37$
✓
$1.39$
C
$1.39$ and $1.20$
D
$1.20$
✓
Answer
Correct option: B.
$1.39$
b All $\mathrm{C}-\mathrm{C}$ and $\mathrm{C}=\mathrm{C}$ bond lengths are the same in benzene. Hence, $\mathrm{C}-\mathrm{C}$ bond length in benzene is $1.39 \mathrm{A}$.
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