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Assertion : Noble gases are chemically i...

Assertion : Noble gases are chemically inert
Reason :All noble gases have `ns^(2)np^(6)` valence shell electronic configuration

A

If both (A) and (R ) are correct and (R ) is the correct explanation of (A)

B

If both (A) and (R ) are correct,but (R ) is the correct explanation of (A)

C

If (A) is correct but (R ) is incorrect

D

If (A) is incorrect but (R ) is correct

Text Solution

Verified by Experts

The correct Answer is:
c
Correct Reason: All noble gases , excape He (which has `1s^(2)` configuration) have `ns^(2)np^(6)` valence shell electronic.
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Noble gases are mostly inert. Assign reasons.

Assertion : Noble gases have highest ionisation enthalpies in their respective periods. Reason : Noble gases have stable closed shell electronic configuration.

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Assertion (A): Noble gases have large positive values of electron gain enthalpy. Reason (R): Noble gases have stable electronic configuration.

The noble gases have a particularly stable outer shell electronic configuration represented as