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Reaction Kinetics - 2
1.
Half-life is independent of the _________of reactant for first order reaction.
a) Order of reaction
b) Initial concentration.
c) Amount of radiation absorbed.
d) Specific rate constant
2.
If any reactant or product absorbs U.V, visible or IR radiation, rate of reaction is measured by measuring the ________.
a) Specific rate constant
b) Amount of radiation absorbed
c) Initial concentration.
d) Effective collision.
3.
_________ give rise to products otherwise the colliding particles just bounce back.
a) Initial concentration.
b) Effective collision
c) Activation energy.
d) Amount of radiation absorbed.
4.
The minimum amount of energy, in addition to KE average, which the particles must possess for effective collision, is called._____________
a) Collision frequency
b) Activation energy
c) Doubled
d) Exothermic
5.
For _____________ reactions the products are at a lower energy level than the reactants.
a) Low Ea barrier
b) Exothermic
c) Photography
d) Few
6.
__________ is the commercial example in which silver halide is influenced by light.
a) Doubled
b) Low Ea barrier
c) Few
d) Photography
7.
When the temperature of the reacting gases is increased by 10K the reaction rate __________.
a) Doubled
b) Collision frequency
c) Exothermic
d) Few
8.
Nearly for all chemical reactions, at room temperature _____ molecules possess energy greater then Ea.
a) Few
b) Zero
c) Doubled
d) Exothermic
9.
Arrhenius constant depends upon the _____ of reacting substances.
a) Collision frequency
b) Initial concentration.
c) Effective collision.
d) Zero
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