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  • Help me answer: Which of the following statements is not true for halogens ?

Which of the following statements is not true for halogens ?

  • Option 1)

    All but fluorine show positive oxidation states.

  • Option 2)

     All are oxidizing agents.

  • Option 3)

    All form monobasic oxyacids.

  • Option 4)

    Chlorine has the highest electron-gain enthalpy.

 

Answers (1)

best_answer

As we learnt that

Acidic strength of oxyacids -

HClO4>HCIO3>HCIO2>HCIO

- wherein

Acidic strenght \propto electronegativity of central atom 

 

 F can not show positive oxidation state.

 


Option 1)

All but fluorine show positive oxidation states.

This is incorrect.

Option 2)

 All are oxidizing agents.

This is incorrect.

Option 3)

All form monobasic oxyacids.

This is correct.

Option 4)

Chlorine has the highest electron-gain enthalpy.

This is incorrect.

Posted by

prateek

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