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JEE MAIN - Chemistry (2020 - 9th January Evening Slot - No. 19)
Which of the following has the shortest C-Cl bond?
Cl–CH=CH–CH
3
Cl–CH=CH–NO
2
Cl–CH=CH–OCH
3
Cl–CH=CH
2
Explanation
due to strong – R effect of – NO
2
group and M effect of Cl, partial double bond character between C and Cl increases. So shortest bond length.
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