NEET UG CHEMISTRY MCQ: CHEMICAL KINETICS

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Activation energy of a reaction is:

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Correct option: C

Minimum amount of energy needed to overcome the potential barrier of reaction

Option C (Minimum amount of energy needed to overcome the potential barrier of reaction) is correct because activation energy is the minimum energy required for reactants to transform into products by overcoming the energy barrier.

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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