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The P-Block Elements

Question
CBSEENCH12011051
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Among the following, the correct order of acidity is

  • HClO<HClO2<HClO3<HClO4

  • HClO2<HClO<HClO3<HClO4

  • HClO4<HClO<HClO <HClO3

  • HClO3<HClO4<HClO2<HClO

Solution

A.

HClO<HClO2<HClO3<HClO4

As the oxidation state of halogen increases the acidity of oxyacid also increases.
HClO: Oxidation state of Cl =+1
HClO2 : Oxidation state of Cl =+3
HClO3 : Oxidation state of Cl = +5
HClO4 : Oxidation state of Cl = +7
Therefore, the correct order of acidity would be 
HClO2<HClO<HClO3<HClO4

Some More Questions From The p-Block Elements Chapter

Why is BiH3 the strongest reducing agent amongst all the hydrides of Group 15 elements?

Why is N2 less reactive at room temperature?

Mention the conditions required to maximise the yield of ammonia.

What is the covalency of nitrogen in N2O5?

Bond angle in PH4+ is higher than that in PH3. Why?

Write a balanced equation for the hydrolytic reactions PCl5 in heavy water.

What is the basicity of H3PO4?

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