NEET UG CHEMISTRY MCQ: CHEMICAL KINETICS

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For the reaction system

2\mathrm{NO}\left( \mathrm{g} \right) + {\mathrm{O}_2}\left( \mathrm{g} \right) \to 2\mathrm{N}{\mathrm{O}_2}\left( \mathrm{g} \right)

if the volume of the reaction vessel is reduced to one-third of its original volume, what will be the order of the reaction?

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Correct option: C

Increase to twenty seven times of its initial value

Option C (Increase to twenty seven times of its initial value) is correct because the rate is proportional to the product of the reactant concentrations, and reducing the volume increases the concentrations.

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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