Consider the following pairs of complexes [CoF(NH3)5]2+ and [Cr(OH2)6]2+ [Co(

Question

Consider the following pairs of complexes [CoF(NH3)5]2+ and [Cr(OH2)6]2+ [Co(NH3)5 (OH2)]3+ and [Cr(OH2)6]2+ [Co(NH3)6]3+ and [Cr(OH2)6]2+ [CoI(NH3)5]2+ and [Cr(OH2)6]2+ The electron transfer rate will be fastest in the pair

Options:

A . [CoF(NH3)5]2+ and [Cr(OH2)6]2+

B . [Co(NH3)5 (OH2)]3+ and [Cr(OH2)6]2+

C . [Co(NH3)6]3+ and [Cr(OH2)6]2+

D . [CoI(NH3)5]2+ and [Cr(OH2)6]2+

Answer: Option D

-NA-

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