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The correct increasing order of trans - ...

The correct increasing order of trans - effect of the following species is -

A

`CN^(-) gt Br^(-) gt C_(6)H_(5)^(-) gt NH_(3)`

B

`NH_(3) gt CN^(-) gt Br^(-) gt C_(6)H_(5)^(-)`

C

`CN^(-) gt C_(6)H_(5)^(-) gt Br^(-) gt NH_(3)`

D

`Br^(-) gt CN^(-) gt NH_(3) gt C_(6)H_(5)^(-)`

Text Solution

Verified by Experts

The correct Answer is:
C
The intensity of trans effect depends on increase in the rate of substitution of trans - ligand. The correct increasing order is `-CN^(-)gt C_(6)H_(5)^(-) gt Br^(-) gt NH_(3)`
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