Multiple choice

The electron transfer from [Fe(H2O)6]2+ to [Fe(H2O)6]3+ is likely to occur via.

  1. d-d transition

  2. inner sphere electron transfer

  3. SN1 mechanism

  4. Outer sphere electron transfer

  5. None of these

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This option is correct because in redox reaction, an electron transfer occur through the intact coordination shell of the metal ion. This redox reaction may occur self exchange electron to homonuclear species.