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JEE Main20253 Apr 2025Evening ShiftChemistryd and f Block ElementsActual

Among, Sc , Mn , Co and Cu , identify the element with highest enthalpy of atomisation. The spin only magnetic moment value of that element in its +2 oxidation state is _____ BM (in nearest integer).

Correct answer

0

Step-by-step solution

array |l|l|l|l|l| & Sc & Mn & Co & Cu array l Enthalpy of Atomisation (kJ/mole) array & 326 & 281 & 425 & 339 array Highest Co Co ⁺²=( Ar ) 3 ~d ^7 aligned & n =3 & = 15 =3.87 aligned Nearest integer =4

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