Question

2. The activation energy for a chemical reaction depends upon [ ]

a) Pressure
b) Nature of reacting species

c) Concentration of reacting species
d) Collision frequency


3. The number of collisions taking place per second per unit time is known as [ ]

a) Binary collisions
b) Effective collisions

c) Collision frequency
d) All the above

4. The minimum amount of energy which the colliding molecules must posses as to make the chemical

reaction to occur is known as [ ]

a) Activation energy
b) Threshold energy
c) Kinetic energy
d) Potential energy

5. In a reaction activation energy equal to [ ]

a) Threshold energy – Average kinetic energy of the reacting molecules.

b) Average kinetic energy of the reacting molecules

c) Threshold energy + Average kinetic energy of the reacting molecules.

d) None of these​

Answer 1

Answer:

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