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One litre a butter solution containing 0...

One litre a butter solution containing 0.01 M `NH_(4)Cl` and 0.1 M `NH_(4)OH` having `pk_(b)` of 5 has Ph of

A

4

B

10

C

4

D

6

Text Solution

Verified by Experts

The correct Answer is:
B
`pOH=pK_b + "log" "[Salt]"/"[Base]"`
=5+log `(0.01)/0.1` =5-1 =4
pH=14-pOH=14-4=10
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MODERN PUBLICATION-EQUILIBRIUM-Objective A.(MCQs)
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  2. The pH of 0.05 M solution of a strong dibasic acid is

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

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

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

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

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

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

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  13. Which of the following pairs consitutes buffer?

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