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  • Can someone explain Among the following, the correct order of acidity is:

Among the following, the correct order of acidity is:

  • Option 1)

    HClO_{3}< HClO_{4}< HClO_{2}< HClO

  • Option 2)

    HClO< HClO_{2}< HClO_{3}< HClO_{4}

  • Option 3)

    HClO_{2}< HClO< HClO_{3}< HClO_{4}

  • Option 4)

    HClO_{4}< HClO_{2}< HClO< HClO_{3}

 

Answers (1)

best_answer

As we learnt in concept

Acidic strength of oxyacids -

HClO4>HCIO3>HCIO2>HCIO

- wherein

Acidic strenght \propto electronegativity of central atom 

 

 Acidity of oxyacid \alpha oxidation state of halogen

HCIO, O.S. of C1=+1

HCIO2 ,O.S. of C1=+3

HCIO3 ,O.S. of C1=+5

HCIO4 ,O.S. of C1=+7

\therefore order of acidity:HCIO_{4}> HCIO_{3}> HCIO_{2}> HCIO\\


Option 1)

HClO_{3}< HClO_{4}< HClO_{2}< HClO

This solution is incorrect 

Option 2)

HClO< HClO_{2}< HClO_{3}< HClO_{4}

This solution is correct 

Option 3)

HClO_{2}< HClO< HClO_{3}< HClO_{4}

This solution is incorrect 

Option 4)

HClO_{4}< HClO_{2}< HClO< HClO_{3}

This solution is incorrect 

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