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(a) 3d Transition metals and their compo...

(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.

Text Solution

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(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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