Engineering
Chemistry
Crystal Field Theory and Valence Bond Theory
Colour and Magnetism
Question

The pair having the same magnetic moment is:

[At. No.: Cr=24, Mn=25, Fe =26, Co =27]

[CoCl4]2– and [Fe(H2O)6]2+

[Mn(H2O)6]2+ and [Cr(H2O)6]2+

[Cr(H2O)6]2+ and [CoCl4]2–

[Cr(H2O)6]2+ and [Fe(H2O)6]2+

JEE Advance
College PredictorLive

Know your College Admission Chances Based on your Rank/Percentile, Category and Home State.

Get your JEE Main Personalised Report with Top Predicted Colleges in JoSA

Solution

Cr2+ → d4 →                     No of unpaired electorn 4

Fe2+ → d6 →                     No of unpaired electron 4

Both configuration have 4 unpaired electron 4