2X + 2Y → 2ZThe equilibrium constant for the above

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 Multiple Choice QuestionsMultiple Choice Questions

561.

If the pH of HCl soltion is 2 then the molar concentration of this will be :

  • 0.01 M

  • 2 M

  • 0.4 M

  • 0.02 M


562.

BF3 molecule is :

  • Lewis base

  • Lewis acid

  • Neutral

  • None of these


563.

NO212 O2  NO3 .......K1

2NO2 + O2  2NO3 ........K2

For the above reaction the relation between equilibrium constant is :

  • K2 = (K1)2

  • K21K1

  • K21K12

  • K1 = K2


564.

The strongest Bronsted base is :

  • HClO2-

  • HClO-

  • HClO3-

  • HClO4


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565.

The characteristic ion of an acid in an aqueous solution is :

  • H+

  • H2+

  • H3O+

  • H4O+


566.

Assertion : Heat of neutralisation for both H2SO4 and HCl with NaOH is 53.7 kJ mol-1.

Reason : Both HCl and H2SO4 are strong acids.

  • If both assertion and reason are true and reason is the correct explanation of assertion.

  • If both assertion and reason are true but reason is not the correct explanation of assertion.

  • If assertion is true but reason is false

  • If both assertion and reason are false.


567.

The solubility of AgCl is 1.435 g/L. What will be the solubility product ?

  • 10-4

  • 0.01

  • 0.001

  • 0.001


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568.

2X + 2Y  2Z

The equilibrium constant for the above reaction :

  • [2X][2Y][2Z]

  • [X][Y][Z]

  • [Z]2[X]2[Y]2

  • [Z]2[X][Y]


C.

[Z]2[X]2[Y]2

Kc[z]2[x]2[y]2


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569.

The solubility product for XY is :

  • s2

  • 2s

  • 4s2

  • 2s


570.

In a reversible reaction ifthe concentration of reactants and products are doubled , the value of Kc will be :

  • half of the initial value

  • double of initial value

  • one fourth of the initial value

  • same the initial value


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