(a) 3d Transition metals and their compounds are good catalysts. Give – InterviewSolution

1.	(a) 3d Transition metals and their compounds are good catalysts. Give two reasons?2(b) Give the formula for the calculation of spin only magnetic moment.
Answer» Solution : (a) (1) Because of large SURFACE area(2) VARIABLE valency (b)`mu =SQRT( N(n+2))` n=no of unpaired electrons.

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