Question

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

Answer 1

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