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NiO is antiferromagnetic. But on heating...

`NiO` is antiferromagnetic. But on heating at `250°C`, it becomes paramagnetic. Why?

A

If both the statement are TRUE and STATEMENT -2 is the correct explanation of STATEMENT -1

B

If both the statement are TRUE and STATEMENT -2 is NOT the correct explanation of STATEMENT -1

C

If STATEMENT -1 is the correcct and TRUE and STATEMENT -2 is FALSE

D

If STATEMENT -1 is the correcct and FALSE and STATEMENT -2 is TRUE

Text Solution

Verified by Experts

The correct Answer is:
A
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