Question

In the following questions, a statement of assertion (A) is followed by a statement of
reason (R). Mark the correct choice as:
(a) Both assertion and reason are true and reason is the correct explanation of assertion.
(b) Both assertion and reason are true but reason is not the correct explanation of
assertion.
(c) Assertion is true but reason is false.
(d) Assertion is false but reason (R) is true.
Assertion: (A) Atomicity of oxygen is 2.
Reason: (R) 1 mole of an element contains 6 023 x 10 23 atoms.

Answer 1

Answer:

B

Explanation:

No. of atoms present in a molecules of a gaseous element is called atomicity. <br> For example,

O2

has two atoms and hence its atomicity is 2.