MCQ-41
Ag₂(CrO4) is sparingly soluble having a solubility product value of 3.2 × 10-5. What will be its solubility
A. 2.75 x 10-2
B. 2.0 × 10-2
C. 2.75 x 102
D. 3.63 x 103
Answer: B
MCQ-42
The rate of a reaction involving ions can be studied by the method
A. Dilatometric
B. Electrical conductivity
C. Refractrometric
D. Optical rotation
Answer: B
MCQ-43
In a reaction, A + B → Product, the rate is doubled when the concentration of B is doubled and the rate increases by a factor of 8 when the concentrations of both the reactants A&B are doubled, rate law for the reaction can be written as
A. Rate = k [A][B]
B. Rate = k [A]²[B]
C. Rate = k [A]³[B]
D. Rate= k [A][B]2
Answer: B
MCQ-44
When the change in concentration is 6×10-5 mol dm-3 and the time for that change is 100 seconds, the rate of reaction will be
A. 6×10-3 mol dm-3 sec-1
B. 6×10-7 mol dm-3 sec-1
C. 6×10-4 mol dm-3 sec-1
D. 6×10-5 mol dm-3 sec-1
Answer: B
MCQ-45
The rate law for the reaction is rate =k[A] [B]2/3. The order of the reaction is
A. Zero
B. 2/3
C. 1/3
D. 5/3
Answer: D
