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Assertion : To obtain effefctive p pi-p ...

Assertion : To obtain effefctive `p pi-p pi` overlap, the size of the de-orbital must be similar to the `p-`orbital so the chlorine `p pi-p pi` bonding is strongest in their oxoanions.
Reason :On moving period from left to right in the periodic table, the nuclear charge is incresed and more s and p-electrons are added. Since these `s-` and `p-`electron shield the nuclear charge incompletely, the size of the atom and that of the `d-`orbital decreases .This leads to progressively stronger `p pi-d pi` bonding.

A

If both assertion and reason are true and the reason is 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

If assertion is false but reason is true.

Text Solution

Verified by Experts

The correct Answer is:
a
Both the statement are true and the Reason is the correct explaination for the Assertion.
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