1.

Assertin : Cu^(2+)is the onlyion (M^(2+)) whichhas positiveE^(@) red(M^(2+) //M) in 3dseries Reason : Cu haslowerhydrationenthalpyas comparisonto itsionisationenthalpyand Delta H atm.

Answer»

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

Answer :A


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