NEET UG CHEMISTRY MCQ: d & f- BLOCK ELEMENTS

1 Medium

1 of 1

Application +4 | -1

Ferrous ion changes to

X

ion, on reacting with acidified hydrogen peroxide. The number of

d

-electrons present in

X

and its magnetic moment (in BM) are, respectively

View answer and explanation

Correct option: B

5 and 5.92

Option B (5 and 5.92) is correct because ferrous ion (

Fe^{2+}

) is oxidized to ferric ion (

Fe^{3+}

), which has 5 d-electrons and a magnetic moment of approximately 5.92 BM.

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