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Question: Of the four oxyacids of chlorine the strongest oxidising agent in dilute aqueous solution is....

Of the four oxyacids of chlorine the strongest oxidising agent in dilute aqueous solution is.

A

HClO4HClO_{4}

B

HClO3HClO_{3}

C

HClO2HClO_{2}

D

HOClHOCl

Answer

HOClHOCl

Explanation

Solution

HClOHClO is the strongest oxidising agent. The correct order of oxidising power is

H⥂C+1⥂lO>H⥂C+3⥂lO2>H⥂C+5⥂lO3>H⥂C+7⥂lO4H ⥂ \overset{+ 1}{C} ⥂ lO > H ⥂ \overset{+ 3}{C} ⥂ lO_{2} > H ⥂ \overset{+ 5}{C} ⥂ lO_{3} > H ⥂ \overset{+ 7}{C} ⥂ lO_{4}.