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pH of which salt is same for 1 M and 5 M...

pH of which salt is same for 1 M and 5 M solution both?

A

`NH_4CN`

B

`NaCN`

C

`HCOONa`

D

`C_6H_3NH_3^+CI`

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AAKASH INSTITUTE-TEST 2-EXERCISE
  1. Which of the following salt will have pH less than 7 when dissolved in...

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  2. If the value of Ka of 1 M HCN is 10^(-5) then its degree of dissociat...

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  3. pH of which salt is same for 1 M and 5 M solution both?

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  4. pH of an acidic buffer solution is 5.74 and PK (CH3COOH) = 4.74 then ...

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  5. If pressure applied on the following reaction becomes four times H2(g)...

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  6. For two reactions in equilibrium in same container (i) A(s) ⇋ 2B(9)...

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  7. For the following reaction Ag2SO4(s) ⇋ 2Ag^+ (aq) + SO4^(2-) (aq) Mo...

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  8. Zeroth law of thermodynamics states that

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  9. Which of the following can be correct?

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  10. The difference between the value of Cp of H2 and Cv of He will be

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  11. Expansion of ideal gas takes place from 1 L to 10 L in vacuum isotherm...

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  12. The value of ΔH and ΔU will be same for

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  13. ΔU = 0 always when in a process

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  14. Surface tension is

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  15. The ratio of Vrms of O2 and VMP of SO2 at room temperature will be

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  16. If the critical temperature of a gas is 300 K then the ratio of its in...

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  17. Two gases H2 and O2 fuse from two different containers having same pre...

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  18. If the value of excluded volume of O2 is 5.2 cm^3 then its critical v...

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  19. What is the ratio of volume of 1 mole of nitrogen gas to 16 g oxygen g...

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  20. Density of a gas 'd' is

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