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When 20 mL M//20 NaOH is added to 10 ml ...

When 20 mL `M//20` NaOH is added to 10 ml of `M//10` HCl. The resulting has pH

A

turns blue litmus red

B

turn phenolphthalein solution pink

C

turn methyl orange red

D

will have no effect on red or blue litmus solution

Text Solution

Verified by Experts

The correct Answer is:
B
Resulting solution will be basic and therefore , will turn phenolphthalein solution pink.
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MODERN PUBLICATION-EQUILIBRIUM-Objective A.(MCQs)
  1. For the dissociation reaction N(2)O($) (g)hArr 2NO(2)(g), the degree o...

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  2. The pH of a solution is 5.9. If the hydrogen ion concentration in decr...

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  3. When 20 mL M//20 NaOH is added to 10 ml of M//10 HCl. The resulting ha...

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  4. Ka for CH3COOH is 1.8xx10^(-5) and Kb for NH4OH is 1.8xx10^(-5) The pH...

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  5. The [OH^-] of an aqueous solution is 1xx10^(-5) . The pH of the solut...

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  6. Which of the following species is amphoteric in nature ?

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  7. The pH of 0.05 M solution of a strong dibasic acid is

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  8. pOH water is 7.0at 298 K. If water is heated to 350K, which of the fol...

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  9. If the solubility product of MOH is 1xx10^(-10) mol^(2) dm^(-6) then p...

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  10. Which of the following when mixed, will given a solution with pH gt 7.

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  11. pH of 10^(-8) N NaOH is

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  12. The pH of a solution obtaine by mixing 50 mL of 0.4 N HCl and 50 mL of...

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  13. The hydrogen ion concentration of a 10^(-8) M HCl aqueous soultion at ...

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  14. Which of the following will produce a buffer sollution when mixed in e...

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  15. Which buffer solution out of the following will have pH gt 7?

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  16. One litre a butter solution containing 0.01 M NH(4)Cl and 0.1 M NH(4)O...

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  17. When a salt of strong base and weak acid is hydrolysed, the resulting ...

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  18. Which of the following pairs consitutes buffer?

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  19. The solubility product of CaSO4 is 6.4xx10^(-5) .The solubility of sal...

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  20. If the concentration of CrO4^(2-) ions in a saturated solution of sil...

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