1.

Assertion : Among H_(2)^(-),He,He^(+), He^(2+), H_(2)^(-) has the largest their parent atoms.

Answer»

if both the ASSERTION and REASON are true and reason is true explanation of the assertion.
If both the assertion and reason are true but the reason is not the CORRECT explanation of assertion.
If the assertion is true but reason is FALSE.
If assertion if false but reason is true.

Solution :Both assertion and reason are true and the reason is the correct explanation of the assertion.


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