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

1.  NH3>CN->Br>C6H5-

2.  CN->C6H5->Br->NH3

3.  Br->CN->NH3>C6H-5

4.  CN->Br->C6H-5>NH3

Subtopic:  Ligands |
 70%
NEET - 2016
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