When chlorine reacts with hot and conc. $NaOH$,the products formed are

Given below are two statements:
Statement $I$: The increasing order of boiling point of hydrogen halides is $HCl < HBr < HI < HF$
Statement $II$: The increasing order of melting point of hydrogen halides is $HCl < HBr < HF < HI$
In the light of the above statements, choose the correct answer from the options given below

The correct increasing order of oxidizing power is:

Concentrated $HNO_{3}$ reacts with Iodine to give

Which of the following is the anhydride of perchloric acid?

The correct order of acidity of $HClO$, $HBrO$, and $HIO$ is