Assertion (A) : Group 18 gases exhibit very high ionisation enthalpy.
Reason (R) : They have a stable electronic configuration.

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

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Both A and R are true but R is NOT the correct explanation of A

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A is true bur R is false

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A is false and R is True

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Solution

The correct option is A Both A and R are true and R is the correct explanation of A
Group 18 gases exhibit very high ionisation enthalpy because they have a stable electronic configuration.

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Assertion (A) : Group 18 gases exhibit very high ionisation enthalpy. Reason (R) : They have a stable electronic configuration.

The correct option is A Both A and R are true and R is the correct explanation of AGroup 18 gases exhibit very high ionisation enthalpy because they have a stable electronic configuration.

Assertion (A) : Group 18 gases exhibit very high ionisation enthalpy.
Reason (R) : They have a stable electronic configuration.

The correct option is A Both A and R are true and R is the correct explanation of A
Group 18 gases exhibit very high ionisation enthalpy because they have a stable electronic configuration.