Question
Chemistry Question on coordination compounds
Correct increasing order for the wavelengths of absorption in the visible region for the complexes of Co3+ is
A
[Co(en)3]3+, [Co(NH3)6]3+, [Co(H2O)6]3+
B
[Co(H2O)6]3+, [Co(en)3]3+, [Co(NH3)6]3+
C
[Co(H2O)6]3+, [Co(NH3)6]3+, [Co(en)3]3+
D
[Co(NH3)6]3+, [Co(en)3]3+, [Co(H2O)6]3+
Answer
[Co(en)3]3+, [Co(NH3)6]3+, [Co(H2O)6]3+
Explanation
Solution
The correct option is (A): [Co(en)3]3+, [Co(NH3)6]3+, [Co(H2O)6]3+.