The correct increasing order of trans-effect of the following species is [2016]

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Q.
The correct increasing order of trans-effect of the following species is [2016]

1 ${NH}_{3} > {CN}^{-} > {Br}^{-} > C_{6} H_{5}^{-}$

2 ${CN}^{-} > C_{6} H_{5}^{-} > {Br}^{-} > {NH}_{3}$

3 ${Br}^{-} > {CN}^{-} > {NH}_{3} > C_{6} H_{5}^{-}$

4 ${CN}^{-} > {Br}^{-} > C_{6} H_{5}^{-} > {NH}_{3}$

Ans.
(2)

The intensity of the trans-effect (as measured by the increase in rate of substitution of the trans ligand) follows the sequence:
${CN}^{-} > C_{6} H_{5}^{-} > {Br}^{-} > {NH}_{3}$

Solution

Q.
The correct increasing order of trans-effect of the following species is [2016]

1 ${NH}_{3} > {CN}^{-} > {Br}^{-} > C_{6} H_{5}^{-}$

2 ${CN}^{-} > C_{6} H_{5}^{-} > {Br}^{-} > {NH}_{3}$

3 ${Br}^{-} > {CN}^{-} > {NH}_{3} > C_{6} H_{5}^{-}$

4 ${CN}^{-} > {Br}^{-} > C_{6} H_{5}^{-} > {NH}_{3}$

Ans.
(2)

The intensity of the trans-effect (as measured by the increase in rate of substitution of the trans ligand) follows the sequence:
${CN}^{-} > C_{6} H_{5}^{-} > {Br}^{-} > {NH}_{3}$

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Solution

Q. The correct increasing order of trans-effect of the following species is [2016]

1 NH3>CN->Br->C6H5-

2 CN->C6H5->Br->NH3

3 Br->CN->NH3>C6H5-

4 CN->Br->C6H5->NH3

Ans. (2) The intensity of the trans-effect (as measured by the increase in rate of substitution of the trans ligand) follows the sequence: CN->C6H5->Br->NH3

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Q.
The correct increasing order of trans-effect of the following species is [2016]

1 ${NH}_{3} > {CN}^{-} > {Br}^{-} > C_{6} H_{5}^{-}$

2 ${CN}^{-} > C_{6} H_{5}^{-} > {Br}^{-} > {NH}_{3}$

3 ${Br}^{-} > {CN}^{-} > {NH}_{3} > C_{6} H_{5}^{-}$

4 ${CN}^{-} > {Br}^{-} > C_{6} H_{5}^{-} > {NH}_{3}$

Ans.
(2)

The intensity of the trans-effect (as measured by the increase in rate of substitution of the trans ligand) follows the sequence:
${CN}^{-} > C_{6} H_{5}^{-} > {Br}^{-} > {NH}_{3}$