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NEET · Chemistry · STD 12 - 5. Co-ordination chemistry
The correct increasing order of trans-effect of the following species is
- A \(NH_3 > CN^- > Br^- > C_6H_5^-\)
- B \(CN^- > C_6H_6^- > Br^- > NH_3\)
- C \(Br^- > CN^- > NH_3 > C_6H_5^-\)
- D \(CN^- > Br^- > C_6H_5^- > NH_3\)
Answer & Solution
Correct Answer
(B) \(CN^- > C_6H_6^- > Br^- > NH_3\)
Step-by-step Solution
Detailed explanation
Trans-effect: The intensity of trans-effect depend on increase in rate of substitution of the trans ligand. \(\mathrm{F}^{-} < \mathrm{NH}_{3} < \mathrm{Cl}^{-} < \mathrm{Br}^{-} \)\(< \mathrm{Ph}^{-} < \mathrm{CH}_{3}^{-} < \mathrm{CN}^{-}\)
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