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For which of the following equilibria do...

For which of the following equilibria does decrease in pressure not favour the forward reaction ?

A

`CaCO_(3)(s) hArr CaO(s) +CO_(2)(g)`

B

`CO(g)+2H_(2)(g) hArr CH_(3)OH (g)`

C

`NH_(4)Cl(s) hArr NH_(3)(g)+HCl(g)`

D

`2NH_(3)(g) hArr N_(2)(g)+3H_(2)(g)`

Text Solution

Verified by Experts

The correct Answer is:
B
Decrease in pressure shifts equilibrium in a direction in which number of moles decrease.
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DINESH PUBLICATION-IONIC EQUILIBRIUM -BRAIN TEASERS -3
  1. In a closed vessel of volume v, a moles of nitrogen and b moles of oxy...

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  2. K(p)//K(c) for the reaction CO(g)+1/2 O(2)(g) hArr CO(2)(g) is

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  3. For which of the following equilibria does decrease in pressure not fa...

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  4. For the reaction C(s)+CO(2)(g) rarr 2CO(g) an equilibrium mixture...

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  5. 8 mol of gas AB(3) are introduced into a 1.0 dm^(3) vessel. It dissoci...

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  6. In the two gaseous equilibria (i) and (ii) , at a certain temperatur...

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  7. Initially, 0.8 mole of PCl(5) and 0.2 mol of PCl(30 are mixed in one l...

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  8. If the solubility of MX(2) ( a sparingly soluble salt is 2.5 xx 10^(-4...

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  9. The reaction HCN +H(2)O hArr H(3)O^(+)+CN^(-), the conjugate acid ba...

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  10. The sum of pH and pOH in aqueous solution is equal to

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  11. Which of the following solutions has pH =11 ?

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  12. Which of the followin will have the largest , pH ?

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  13. If x mol L^(-1) is the solubility of Kal(SO(4))(2) , then K(sp) is equ...

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  14. The dissociation constant of monobasic acids A, B,C and D are 6 xx 10^...

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  15. If P^(@) and P(s), the V.P. of solvent and solution respectively and N...

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  16. 20 mL of C(2)H(5)OH when mixed with 20ml of water,the volume of the re...

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

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  18. The pH of a 0.1 M CH(3)COOH which is 2% ionised in aqueous solution is

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  19. The difference between DeltaH and Delta E at constant voluem is equal ...

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  20. In which of the following neutralisation reaction will the enthalpy of...

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