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Which of the following statements is true?

  • Option 1)

    HF is less polar than HBr

  • Option 2)

    Absolutely pure water does not contain any ions

  • Option 3)

    Chemical bond formation takes place when forces of attraction overcome the forces of repulsion

  • Option 4)

    In covalency transference of electron takes place.

 

Answers (1)

best_answer

As we learnt in 

HF is more ploar than HBr due to greater electromagnetic differed 

Pure H2O, dissociates into H+ and O-2

Chemical bond formation takes place when forces of attraction overcome the forces of repulsion . 

In covalency electrons are shared. 

 


Option 1)

HF is less polar than HBr

This option is incorrect. 

Option 2)

Absolutely pure water does not contain any ions

This option is incorrect. 

Option 3)

Chemical bond formation takes place when forces of attraction overcome the forces of repulsion

This option is correct. 

Option 4)

In covalency transference of electron takes place.

This option is incorrect. 

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Aadil

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