NEET UG CHEMISTRY MCQ: CHEMICAL KINETICS

1 Easy

1 of 1

Understanding +4 | -1

In a reaction, the threshold energy is equal to:

View answer and explanation

Correct option: A

Activation energy + normal energy of reactants

Option A (Activation energy + normal energy of reactants) is correct because threshold energy is the sum of the activation energy (the extra energy needed for the reaction) and the initial energy possessed by the reactants.

More Questions from CHEMICAL KINETICS

Practice All Chapter MCQs →

If the reaction rate at a given temperature becomes slower then

\frac{1}{{{{\left[ A \right]}^2}}}

vs times are a straight line. Order of reaction is The rate constant

\left( {k'} \right)

of one of the reaction is found to be double that of the rate constant

\left( {k''} \right)

of another reaction. Then the relationship between the corresponding activation energies of the two reaction

\left( {{{E'}_a}\;\mathrm{and}\;{{E''}_a}} \right)

can be represented as Acid hydrolysis of sucrose is a Order of radioactive disintegration reaction is Temperature coefficient of a reaction is 2. When temperature is increased from

30^\circ C\;to\;100^\circ C

, rate of the reaction increases by