In each of thefollowingquestionsa Statementof Assertion(A ) isgivenfollowedby acorrespondingstatementof Reason(R ) Justbelow it . Of thestatementmarkthe correctanswer as Assertion. The firstionizationenthalpy ofaluminiumis lowerthan thatof magnesium . Reason. Ionicradius ofof aluminium issmallerthan thatof magnesium .

In each of thefollowingquestionsa Statementof Assertion(A ) isgivenfol

1.	In each of thefollowingquestionsa Statementof Assertion(A ) isgivenfollowedby acorrespondingstatementof Reason(R ) Justbelow it . Of thestatementmarkthe correctanswer as Assertion. The firstionizationenthalpy ofaluminiumis lowerthan thatof magnesium . Reason. Ionicradius ofof aluminium issmallerthan thatof magnesium .
Answer» SOLUTION :CORRECTEXPLANATION . InA1 ,a lessstronglyheld3p- electronis to be removedwhilein Mga morestrongly held 3s-electronis to be REMOVED.