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Question: Consider the following three halides : (1) CH<sub>3</sub>–CH<sub>2</sub>–Cl (2) CH<sub>2</sub>=CH–C...

Consider the following three halides :

(1) CH3–CH2–Cl (2) CH2=CH–Cl (3) C6H5–Cl

Arrange C–Cl bond length of these compounds in decreasing order –

A

1 > 2 > 3

B

1 > 3 > 2

C

3 > 2 > 1

D

2 > 3 > 1

Answer

1 > 2 > 3

Explanation

Solution

(1) CH3–CH2–Cl

R.S. = 0

(2) CH2=CH–Cl

R.S. = 2

(3) C6H5–Cl

R.S. = 4

R.S. µ 1 Bond length of single bond \frac { 1 } { \text { Bond length of single bond } }