Arrange the following in increasing order as directed.

Chemistry Co-ordinatios Compounds Crystal Field Theory & Applications of Crystal Field Theory Single Correct MCQ

Published on: August 12, 2026

(i) [CoCl 3 (NH 3 ) 3 ], (ii) [CoCl(NH 3 ) 5 ]Cl 2 , (iii) [Co(NH 3 ) 6 ]Cl 3 , (iv) [CoCl 2 (NH 3 ) 4 ]Cl - Molar conductance

C, N, O, F (halogen) - tendency of σ donation.

Br – , S 2– , NO 2 – , CO, H 2 O, CN – , NH 3 , NO 3 – - strength of ligands.

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i < iv < ii < iii X < O < N < C

Br – < S 2– < NO 3 – < H 2 O < NH 3 < NO 2 – < CN – < CO

Sol. has 1, (ii) has 3 (iii) has 4 and (iv) has 2 number of ions in solutions respectively. So order of molar conductivity i < iv < ii < iii.

It is factual

According to spectrochemical series (values of Δ have been experimentally determined).

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