Which of the following statements is not correct?

Given below are two statements: one is labelled as Assertion $(A)$ and the other is labelled as Reason $(R)$.
Assertion $(A)$ : Both rhombic and monoclinic sulphur exist as $S_8$ while oxygen exists as $O_2$.
Reason $(R)$ : Oxygen forms $p \pi-p \pi$ multiple bonds with itself and other elements having small size and high electronegativity like $C, N$,which is not possible for sulphur.
In the light of the above statements,choose the most appropriate answer from the options given below:

Which of the following molecules exhibits the highest acidic nature?

What is produced by the hydrolysis of one mole of peroxodisulfuric acid $(H_2S_2O_8)$?

Which of the following reactions exhibits the reducing property of ozone?

In which of the following reactions is $SO_2$ gas not produced?