1.

The questionsgiven belowcontainstatement -1 (Assertion ) andstatement -2 (Reason ) . Ithas fouroptions(a), (b) , ( c) and (d ) out ofwhich ONLYONE iscorrect . Choosethe correctoptionas.Statement -1 . Of all theelementsheliumhas thehighestvalue offirstionizationenthalpy Statement-2Heliumhas themostpositiveelectrongainenthalpyof all theelement s.

Answer»

Statement -1 ISTRUE Statement-2 isTrue, Statement-2 iscorrectexplanationfor Statement -5
Statement -1 isTrueStatement-2 isTrue , Statement-2 is nota correctexplanationfor Statement -5
Statement -1 isTrueStatement-2 is False
Statement -1 is FalseStatement-2 isTrue

SOLUTION :CORRECTSTATEMENT -2 . Heliumis thesmallestinertgas .


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