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The aqueous solutions of HCOONa, C(6)H(5...

The aqueous solutions of HCOONa, `C_(6)H_(5)NH_(3)^(+)Cl^(-)` and KCN are respectively.

A

acidic, acidic, basic

B

acidic, basic, neutral

C

basic, neutral, neutral

D

basic, acidic, basic

Text Solution

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The correct Answer is:
D
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VMC MODULES ENGLISH-ICONIC EQUILIBRIUM-EFFICIENT
  1. which of the following salt does not get hydrolysed in water?

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  2. If at 25^(@) the ionization constant of acetic acid is 2 xx 10^(5) the...

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  3. The aqueous solutions of HCOONa, C(6)H(5)NH(3)^(+)Cl^(-) and KCN are r...

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  4. which one of the following aqueous solution of salts has the lowest pH...

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  5. The ionisation constant of ammonium hydroxide is 1.77xx10^(-5) at 298 ...

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  6. Which one of the following is not a buffer solution ?

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  7. In which of the following acid-base titrations, pH is greater than 8 a...

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  8. In a basic buffer, 0.0025 mole of 'NH4 Cl' and 0.15 mole of NH4OH are...

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  9. A certain buffer solution contains equal concentartion of X^(Theta) an...

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  10. The pK(b) of CN^(Theta) is 4.7. The pH is solution prepared by mixing ...

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  11. When 10 ml of 0.1 M acetic acid (pk(a)=5.0) is titrated against 10 ml ...

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  12. How much of the following are strong electrolytes? a. NH(3) b. NH(4)...

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  13. The pK(a) value of NH(3) is 5. Calculate the pH of the buffer solution...

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  14. Calculate the pH at the equivalence point during the titration of 0.1M...

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  15. The rapid change of pH near the stoichiometric point of an acid base t...

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  16. Solution of 0.1 N NH(4)OH and 0.1 N NH(4)Cl has pH 9.25, then find out...

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  17. When 0.1 mole of an acid is added to 2 L of a buffer solution, the P...

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  18. pH of a buffer solution decreases by 0.02 units when 0.12 g of acetic ...

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  19. The dissociation constants for acetic acid and HCN at 25^@C are 1.5xx...

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  20. A buffer solution contains 0.1 mole of sodium acetate dissolved in 100...

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