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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

Both A and R are true and R is the correct explanation of A

B

Both A and R are true but R is not a correct explanation A

C

A is true but R is false

D

A is false but R is true

Text Solution

Verified by Experts

The correct Answer is:
C
Reason: All noble gases (except He which has `1s^(2)` configuration) have `ns^(2)np^(6)` valence shell electronic configuration.
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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.

Assertion :Ne and Ar do not form any chemical compound Reason :They have ns^(2)sp^(6) fully filled valence shell electronic configuration

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