Question

Assertion: The formal oxidation number of sulphur in Na₂S₄O₆ is 2.5.

Reason: Two S-atoms are not directly linked with O-atoms

(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 correct explanation of A

(c) A is true but R is false

(d) A and R are false

Answer 1

Correct option  (a) Both A and R are true and R is the correct explanation of A

Explanation: