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Which of the following correctly explain...

Which of the following correctly explains the nature of boric acid in aqueous medium :

A

`H_3BO_3 overset(H_2O)to H_3O^+ + H_2BO_3^-`

B

`H_3BO_3 overset(2H_2O)to 2H_3O^+ + HBO_3^(2-)`

C

`H_3BO_3 overset(3H_2O)to 3 H_3O^+ + BO_3^(3-)`

D

`H_3BO_3 overset(H_2O)to B (OH)_4^(-)+H+`

Text Solution

Verified by Experts

The correct Answer is:
D
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GRB PUBLICATION-IONIC EQUILIBRIUM-All Questions
  1. The conjugate base of OH^(-) is :

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  2. Three reactions involving H2PO4^- are given below : (P)H3PO4+H2O to ...

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  3. Which of the following correctly explains the nature of boric acid in ...

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  4. In water, the acid HCIO(4), HCI, H(2)SO(4) and HNO(3) exhibit the same...

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  5. Which of the following is the strongest base ?

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  6. An acid with molecular formula C7H6O3 froms only three types of sodium...

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  7. Which of the following is a weak electrolyte in aqueous solution ?

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  8. H2CO3(aq)+H2O(l)toHCO3^-(aq) + H3O^+(aq) HCO3^(-)(aq) + H2O(l)to CO3...

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  9. Weak acid include which of the following ? (P)HF(aq) , (Q)HI(aq) , (...

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  10. Which is not a conjugate acid/base pair ?

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  11. What is the conjugate base of HSO4^- ?

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  12. When the acids, HCIO3, H3BO3, H3PO4 , are arranged in order of increas...

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  13. Which acid is the strongest ?

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  14. What is the conjugate acid of HPO4^(2-)?

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  15. Species acting as both Bronsted acid and base is:

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  16. The dihydrogen phosphate ion undergoes these reaction in water H2PO4...

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  17. Which of the following expression is not true ?

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  18. Calculate the degree of ionization of pure water at 25^@C.

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  19. Hydrogen peroxide ionises as H2O2 hArr H^+ + HO2^- if pH of H2O2 is 5....

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  20. The pH of pure water at 50^@C is 6.63. What is the value of Kw at 50^@...

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