MCQ-16
All are correct about zero order except
A. All photochemical reactions are zero order
B. Rate is independent of concentration
C. Radioactive decay follows zero order
D. Half-life is directly proportional to the initial concentration
Answer: C
MCQ-17
One of the following is not a physical method for determination of the rate of reaction
A. Spectrometry
B. Electrical Conductivity
C. Refractometry
D. Titrimetric
Answer: D
MCQ-18
1.0g mole of ethyl alcohol and 1.0g mole of acetic acid are mixed. At equilibrium 0.666g mole of the ester is present. The value of the equilibrium constant is
A. 1/2
B. 2
C. 1/4
D. 4
Answer: D
MCQ-19
Consider a reaction.
1/2 N2 + 3/2 H2 ⇌ NH3
relation between Kp and Kc is
A. Kp = Kc (RT)1/2
B. Kc = Kp (RT)
C. Kp = Kc (RT)
D. Kp = Kc
Answer: B
MCQ-20
Appropriate units of K, for the following reaction is
2SO3 ⇋ 2SO2+O2
A. mol/dm³
B. dm³/mol
C. Torr
D. dm6/mol2
Answer: C
