Question

5. Assertion - Oxygen atom show- 2 valency
Reason :- In outer most shell of oxygen 6 electrons are present
a) Assertion is INCORRECT but, reason is CORRECT.
b) Assertion is CORRECT but, reason is INCORRECT.
c) Both assertion and reason are CORRECT but reason is NOT THE COR
of the assertion.​

Answer 1

Answer:

(b)

Explanation:

as the outermost shell takes 2 more electrons to complete the octet .that's why the valency is 2 and the charge on the oxygen atom is -2