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If an aqueous solution at 25^(@)C has tw...

If an aqueous solution at `25^(@)C` has twice as many `OH^(-)` as pure water its `pOH` will be

A

6.699

B

7.307

C

7

D

6.98

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The correct Answer is:
a
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GRB PUBLICATION-IONIC EQUILIBRIUM-All Questions
  1. For pure water:

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  2. A water sample from a municipal water supply was found to have a pH =...

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  3. If an aqueous solution at 25^(@)C has twice as many OH^(-) as pure wat...

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  4. The pH of solution having [OH^(-)]=10^(-7) is

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  5. At 900^(@)C, pK(w) is 13. At this temperature an aqueous solution with...

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  6. Specialised cells in the stomach release HCl to aid digestion.If they ...

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  7. How many moles of NaOH must be removed from 1 litre of aqueous solutio...

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  8. Hydrogen ion concentration in mol//L in a solution of pH=5.4 will be:

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  9. Which solutionwill have pH closer to 1.0 ?

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  10. At what molar concentration of HCl will its aqueous solution have an [...

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  11. The pH of the solution obtained by mixing 10 mL of 10^(-1)N HCI and 10...

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  12. 10^(-6)M HCl is diluted to 100 times. Its pH is:

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  13. 10 mL of 10^(-6) M HCl solution is mixed with 90mL H(2)O. pH will cha...

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  14. 10mL of a strong acid solution of pH=2.000 are mixed with 990 mL of a...

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  15. pH of a solution made by mixing 200mL of 0.0657M NaOH, 140 mL of 0.107...

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  16. An acid solution with pH=6at 25^(@)C is diluted by 10^(2) times. The p...

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  17. Number of H^(+) ions present in 10 mL of solution of pH=3 are:

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  18. 10^(-2) mole of NaOH was added to 10 litres of water. The pH will chan...

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  19. What is the pH of a 0.0015 M solution of HNO3 ?

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  20. What is the pH of a 0.025 M solution of KOH ?

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