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  • Need clarity, kindly explain! Buffer solutions have constant acidity and alkalinity because :

Buffer solutions have constant acidity and alkalinity because :

  • Option 1)

    These give unionised acid or base on reaction with added acid or alkali.

  • Option 2)

    Acids and alkalies in these solution are shielded from attack by other ions.

  • Option 3)

    They have large excess of H+ or OH- ions.

  • Option 4)

    They have fixed value of pH.

 

Answers (1)

best_answer

As we learned in concept

 

Buffer solutions resist a change in P H because they react with any added acid or base to give a salt


Option 1)

These give unionised acid or base on reaction with added acid or alkali.

Option is correct

Option 2)

Acids and alkalies in these solution are shielded from attack by other ions.

Option is incorrect

Option 3)

They have large excess of H+ or OH- ions.

Option is incorrect

Option 4)

They have fixed value of pH.

Option is incorrect

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Plabita

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