NEET UG CHEMISTRY MCQ: CHEMICAL KINETICS

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Effective collisions are those in which molecules must:

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Correct option: D

All of the above

Option D (All of the above) is correct because effective collisions require molecules to have sufficient energy (equal to or greater than the threshold energy), proper orientation, and acquire the activation energy to overcome the potential 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