1.

Assertion : Ionisation enthalpy is always negative. Reason : Energy is always released when electrons are removed.

Answer»

If both assertion and REASON are TRUE and the reason is the correct explanation of the assertion
If both assertion and reason are true but reason is not a correct explanation of the assertion
If assertion is true but reason is false
If the assertion and reason both are false

Solution :Both assertion and reason are false.
Ionisation ENTHALPIES are always positive. Energy is always absorbed when ELECTRONS are removed from an atom.


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