MCQ-31
For the gas phase reaction
2X+Y ⇋ 2Z ∆H= -ive kJ/mol.
The yield of Z at equilibrium could be increased by
A. Increasing the pressure
B. Increasing the temperature
C. Using a catalyst
D. Increasing the volume
Answer: A
MCQ-32
If the value of the Kc is larger than it shows that the products are:
A. More stable
B. Not stable
C. More unstable
D. Do not gives information
Answer: A
MCQ-33
NH3 is purified using the condensation method at
A. 33.4°C
B.-23.4°C
C. 23.4°C
D.-33.4°C
Answer: D
MCQ-34
For a reversible reaction, the catalyst increases the speed of
A. Forward reaction
B. Backward reaction
C. Both forward and backward reactions equally
D. Forward reaction to a larger extent than backward reaction
Answer: C
MCQ35
If the equilibrium constant KC value for a certain reaction is very small, then:
A. Reactants are in large amounts
B. Products are in an appreciable amount
C. Reactant and products both are in appreciable amount
D. In such a situation equilibrium cannot be obtained
Answer: A
