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Assertion : The free gases Cr atom has s...

Assertion : The free gases `Cr` atom has six unpaired electrons.
Half-filled `'s'` orbital has greater stability.

A

If both assertion and reason are true and the reason is not the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

It the assertion and reason both are false.

Text Solution

Verified by Experts

The correct Answer is:
C
`._(24)Crrarr[Ar]3d^(4)4s^(2)`
`Crrarr[Ar]3d^(5)4s^(1)`
Full-filled s-orbital has greater stability.
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