1.

Assertion : Mnshowsexceptionalmeltingpointin 3dseries. Reason : Itsouterconfiguration is 4s^(2) 3d^(5)

Answer»

bothassertionand reasonare truereasonis thecorrectexplanationof THEASSERTION .
bothassertinandreasonare truebutreasonis notcorrectexplanationof theassertion
Assertionis truebutreasonis FALSE
Bothassertionand reasonare false.

Answer :A


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