JEE Advanced 2020 Full Test 2 Paper 1

Question : 25 of 54

Marks: +1, -0

Select the correct statement:

Chelation effect is maximum for five and six membered rings
Greater the charge on the central metal cation, greater the value of ∆(CFSE)
In complex ion [CoF6]3−,F− is a weak field ligand, so that ∆‌oct ‌<P (Pairing energy) and it is low spin complex.
[CoCl2(NH3)2(en)]+ complex ion will have four different isomers

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