Assertion (A): Covalent radius is always...

Assertion (A): Covalent radius is always shorter than the actual atomic radius.
Reason (R): The formation of covalent bond involves the overlapping of atomic orbitals and it reduces the expected internuclear distance.

Both (A) and (R) are correct and (R) is the correct explanation of (A).

Both (A) and (R) are correct but (R) is not the correct explanation of (A).

(A) is correct but (R) is wrong.

(A) is wrong but (R) is correct.

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The correct Answer is:

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The type of overlapping of atomic orbitals involved in the formation of lithium hydride is :

s-s overlap

s-p overlap

p-p ovarlap

p-d overlap

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

Both assertion and reason are true, but reason is not the correct explanation of assertion

Assertion is true but reason is false

Both assertion and reason are false.

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

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

Assertion is true but reason is false

Both assertion and reason are false.