Question

1. For a reaction A +2B → products which of the following statement is true.
dCa dCB dC
dCa 1 dCB
1 dCA dCB
B
A
a)
b)-2-
c)
d)
dt dt
dt dt
2 dt dt
dt 2
2 dt
2. The rate constant does not depend upon concentration for reaction whose order is
a) zero
b)first
c) second
d) third
3. If the rate law does not contain a concentration term then the order is -
a) zero
b) first
c) second
d) third
4. The units of rate and rate constant are same for a reaction whose order is
a) zero
b) one
c) second
d) None of these
5. Molecularity of a reaction can be -
a) zero
b) integral c) fractional
d) negative
6. If the activation energy of a reaction decreases then the rate of reaction
a) decreases
b) remains constant
c) increases
d) becomes zero
7. The rate constant of a first-order reaction depends on the -
a) time
b) temperature
c) concentration of the reactant d) concentration of the product.​

Answer 1

Answer:

1 ) a

2) b

3) d

4) c

5) b

6) d

7) a