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Chemical Equilibrium Test - 30
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Chemical Equilibrium Test - 30
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  • Question 1/10
    4 / -1
    Which of the following is correct for the reaction ?
    N2 (g) + 3H2 (g) ⇌ 2 NH3 (g)
  • Question 2/10
    4 / -1
    For the reaction,
    2NO2 (g) ⇌ 2NO (g) + O2 (g)
    (KC = 1.8 × 10-6 at 184o C)
    (R = 0.00831 KJ/mol K)
    where KP and KC are compared at 184o C, it is found that
  • Question 3/10
    4 / -1
    An amount of solid NH4HS is placed in a flask already containing ammonia gas at a certain temperature and 0.50 atm pressure. Ammonium hydrogen sulphide decomposes to yield NH3 and H2S gases in the flask. When the decomposition reaction reaches equilibrium, the total pressure in the flask rises to 0.84 atm. The equilibrium constant for NH4HS decomposition at this temperature is
  • Question 4/10
    4 / -1
    In which of the following reactions is KP < KC ?
  • Question 5/10
    4 / -1
    The change in pressure will not effect the equilibrium constant for
  • Question 6/10
    4 / -1
    For a reaction H2 + I2 ⇌ 2HI at 721K, the value of equilibrium constant is 50. If 0.5 mole each of H2 and I2 is added to the system, then the value of equilibrium constant will be
  • Question 7/10
    4 / -1
    If in the reaction N2O4 ⇌ 2 NO2, x is that part of N2O4 which dissociates, then the number of molecules at equilibrium will be
  • Question 8/10
    4 / -1
    At 550 K, the value of KC for the following reaction is 104 mol-1 L
    X (g) + Y (g) ⇌ Z (g)
    At equilibrium, it was observed that
    [X] = 1/2 [Y] = 1/2 [Z]
    What is the value (in mol L-1) of [Z] at equilibrium ?
    Solutions

  • Question 9/10
    4 / -1
    2Ag2 O (s) ⇌ 4 Ag (s) + O2 (g)
    Partial pressure of O2 in the above reaction is
  • Question 10/10
    4 / -1
    In the reaction at constant volume
    C (s) + CO2 (g) ⇌ 2CO (g)
    Argon gas is added which does not take part in the reaction, choose the correct statement.
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