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JEE Main20244 Apr 2024Morning ShiftChemistryd and f Block ElementsActual

Consider the following reaction ( MnO ₂+ KOH + O ₂ A + H ₂ O ). Product ' ( A ) ' in neutral or acidic medium disproportionate to give products ' ( B ) ' and ' ( C ) ' along with water. The sum of spin-only magnetic moment values of ( B ) and ( C ) is ( ) BM. (nearest integer) (Given atomic number of ( Mn ) is 25)

Correct answer

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Step-by-step solution

MnO ₂+ KOH + O ₂ K ₂ MnO ₄+ H ₂ O (A) aligned & K ₂ MnO ₄ Neutral/acidic solution KMnO ₄+ MnO ₂ & Mn ⁺⁴:-[ Ar ] 3 ~d ^3 & n =3, = 3(3+2) =3.87 B.M. aligned Nearest integer is (4)

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