Skip to content
dronacharya.ai
← JEE Main 2022 · 29 Jun · Shift 2
ChemistryInteger+4 / -1Question 86 of 90

JEE Main 2022 · 29 Jun · Shift 2, Chemistry question 86

Spin only magnetic moment of [MnBr6]4−\mathrm{[MnBr_6]^{4-}} is ______ B.M. (round off to the closest integer)

Answer and worked solution

Official answer: 6

Mn2+\mathrm{Mn^{2+}} with weak-field Br−\mathrm{Br^-}: high-spin d5d^5, 35≈5.92\sqrt{35}\approx5.92, so 6 B.M.

Answer: 6