JEE MAIN - Chemistry (2020 - 9th January Evening Slot - No. 19)

Which of the following has the shortest C-Cl bond?
Cl–CH=CH–CH3
Cl–CH=CH–NO2
Cl–CH=CH–OCH3
Cl–CH=CH2

Explanation

JEE Main 2020 (Online) 9th January Evening Slot Chemistry - Basics of Organic Chemistry Question 171 English Explanation due to strong – R effect of – NO2 group and M effect of Cl, partial double bond character between C and Cl increases. So shortest bond length.

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