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Assertion: F atom has a less negative el...

Assertion: `F` atom has a less negative electron affinity than `CI` atom.
Reason: Additional electrons are repelled more effectival by `3p` electrons in `CI` atom than by `2p` electrons in `F` atom.

A

Both Assertion and Reason are true, and Reason is the correct explanation of Assertion.

B

Both Assertion and Reason are true, but Reason is not correct explanation of Assertion.

C

Assertion is true but Reason is false.

D

Assertion is false but Reason is true.

Text Solution

Verified by Experts

The correct Answer is:
C
Additional electrons are repellel more effectively by `2p` electrons in `F` atom than by `3p` electrons in `CI` atom.
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Assertion: F atom has less negative electron gain enthaply than Ci atom. Reason: Additional eletrons are repelled more effectively by 3 p-electronic in Ci than by 2 p-electrons is F atom.

Assertion: F atom has less electron afffinity than Cl atom. Reason: Additional electrons are repelled more strongly by 3p electrons in Cl atom than by 2p electrons in F atom.

Statement-1 : F arom has a less negative electron gain enthalpy than Cl atom. Statement-2 : Additional electron is repelled more efficiently by 3p electron in Cl atom than by 2p electron in F atom.

Assertion (A) :F atom has less electron than CI^(Theta) atom Reason (R ) : Additional electrons are repelled more effectively by 3p electron in CI atom than by 2p electron in F atom

RESONANCE-PERIODIC TABLE & PERIODICITY-Exercise
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