MCQ-26
For the solubility product of solutions, the solubility of salt may be equal to or less than
A. 0.01M –
B. 0.05M
C. 1.0M
D. 0.1M
Answer: A
MCQ-27
Which will change for first order reaction with time
A. Rate constant
B. Half-life
C. Rate of reaction-
D. All of these
Answer: C
MCQ-28
The rate of an exothermic reaction is increased by
increasing all except
A. Temperature
B. Volume of the vessel –
C. Surface area of reactants
D. Concentration of reactants
Answer: B
MCQ-29
The half-life of certain reactions decreases with a decrease in concentration. The order of the reaction is
A. Zero order
B. Second order
C. First order
D. Third order
Answer: A
MCQ-30
Following is an exothermic reaction
A+ B ⇌ C+ D. Which is the correct statement?
A. Rate of reaction will increase by increasing the temperature
B. Yield of C can be increased by increasing pressure
C. Rate of reaction will decrease by increasing the temperature
D Rate is not affected by adding a catalyst
Answer: A
