JEE MAIN - Chemistry (2021 - 25th July Evening Shift - No. 2)
Which one of the following metal complexes is most stable?
[Co(en)(NH3)4]Cl2
[Co(en)3]Cl2
[Co(en)2(NH3)2]Cl2
[Co(NH3)6]Cl2
Explanation
Complex [Co(en)3]Cl2 is most stable complex among the given complex compounds because more number of chelate rings are present in this complex as compare to others.
(1) [Co(en)(NH3)4]Cl2 1 chelate ring
(2) [Co(en)3]Cl2 3 chelate ring
(3) [Co(en)2(NH3)2]Cl2 2 chelate ring
(4) [Co(NH3)6]Cl2 0 chelate ring
(1) [Co(en)(NH3)4]Cl2 1 chelate ring
(2) [Co(en)3]Cl2 3 chelate ring
(3) [Co(en)2(NH3)2]Cl2 2 chelate ring
(4) [Co(NH3)6]Cl2 0 chelate ring
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