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Assertion (A): Alkaline earth metals are...

Assertion (A): Alkaline earth metals are harder than alkali meatals.
Reason (R ): Atomic radii of alkaline earth metas are smaller thant the corresponding alkali metals in the same period.

A

If both assertion and reason are true and the reason is the correct explanation of assertion

B

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

C

If assertion is false but reason is true

D

If assertion is true but the reason is false

Text Solution

Verified by Experts

The correct Answer is:
D
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