Page 1 - Microsoft Word - Home assignment-Equilibrium

EQILIBRIUM

Q1. What happens to the equilibrium constant if temperature is
increased?
Q2. What is the effect of catalyst on equilibrium state?
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Q3. What is the ratio of Kp/Kc for the reaction at 25 C?
2SO2(g) + O2(g) 2SO3(g)
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Q4. What is the ratio of Kp/Kc for the reaction at 25 C?
CO (g) + ½ O 2(g) CO 2(g)
Q5. Write down the expression of Kc for the reaction.
2Cu (NO3)2(s) 2CuO(s) + 4NO2(g) + O2(g)
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Q6. For the following equilibrium, Kc = 6.3 x 10 at 1000 K.
NO (g) + O 3 NO 2(g) + O 2(g)
What is the Kc for reverse reaction?
Q7. The equilibrium constant expression for a gas reaction is:

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Kc = [NH3] [O2] /[NO] [H2O] . Write the balanced chemical
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equation corresponding to this expression.
Q8. What is the effect of temperature on ionic product of water?
Q9. Write down the conjugate base for (i)HCO3 , (ii)H2SO4
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Q10. Write down the conjugate acid for (i)HCOO , (ii)NH2
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Q11. Write down the conjugate acid and base for (i)NH3, (ii)H2O
H
Q12. Write Henderson’s equation for P of an acidic buffer.
Q13. Arrange the following in the increasing order of acid strength.
HF, HI, HCl, HBr
Q14. Arrange the following in the increasing order of acid strength.
HF, NH 3, CH 4, H 2O

Q15. What is common ion effect? Write any two applications of it.
Q16. What do you mean by solubility product?
Q17. What do you understand by ionic product of water?

Q18. State Le-chatelier’s principle.
Q19. Define buffer solution. Give examples of acidic and basic
buffer.
Q20. What is the effect of decreasing temperature on the

equilibrium?
2SO 2(g) + O 2(g) 2SO 3(g) + heat