Statement I : The spin only magnetic moment ${[{MnBr}_{4}]}^{2 -}$ is 5.9 BM
Statement II : ${[{MnBr}_{4}]}^{2 -}$ is a tetrahedral complex with five unpaired electrons in the d orbitals

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Statements I and II are incorrect

Statements I and II are correct

Statement I is incorrect and statement II is correct

Statement I is correct and statement II is incorrect

answer is A.

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Detailed Solution

In complex ${[{MnBr}_{4}]}^{2 -}$ ;Mn⁺² is containing 5 unpaired electrons and spin only magnetic moment is 5.9BM

${[{MnBr}_{4}]}^{2 -}$ is tetrahedral with sp³ hybridization

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