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50 mL of 0.2 M ammonia solution is treat...

50 mL of 0.2 M ammonia solution is treated with 25mL of 0.2 M HCl . If `pK_(b)` of ammonia solution is 4.75 , the pH of the mixture will be

A

4.75

B

3.75

C

9.25

D

8.25

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The correct Answer is:
C
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AAKASH SERIES-REVISION EXERCISE -CHEMICAL EQUILIBRIUM
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  2. In an acidic buffer solution (pH = 4.4) , the concentration ratio of a...

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  3. 4 mole of NH(4) OH and 1 mole of H(2) SO(4) are mixed and dilute to 1 ...

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  4. When CO(2) is bubbled in excess of water , the following equilibrium i...

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

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  6. 20 mL of 0.1 M acetic acid is mixed with 50 mL of potassium acetate. K...

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  7. Let the solubilities of AgCl in H2 O , 0.01 M CaCl(2) , 0.01 M NaCl an...

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  8. At 298 K , the K(sp) of M(2) SO(4) is 3.2 xx 10^(-5) . The maximum con...

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  9. The pH of the neutralisation point of 0.1 N NaOH with 0.1 N HCl is

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  10. The precipitate of CaF(2) (K(sp) = 1.7 xx 10^(-10)) is obtained when e...

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  11. Which of the following is relatively weak acid ? (pK(a) values are giv...

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  12. A basic buffer contains equal concentration of base and its salt . The...

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  13. The Ksp values of MA , MB , MC , MD are 1.8 xx 10^(-10) , 4 xx 10^(-3)...

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  14. When inert gas is added to the given reversible process at constant pr...

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  15. Which has maximum pH

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  16. pK(b) of aq. NH(3) is 4.74 hence pH of 0.01 M NH(3) solution is

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  17. For the equilibrium A((g)) + B((g)) + C((g)) , K(p) = 0.82 atm at 27^(...

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  18. For the equilibrium A((g)) + B((g)) + C((g)) , K(p) = 0.82 atm at 27^(...

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  19. Addition of sodium hydroxide solution to a weak acid (HA) results in a...

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  20. 50 mL of 0.2 M ammonia solution is treated with 25mL of 0.2 M HCl . If...

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