1st Year Chemistry MCQS with Answers Chapter 11

1st Year Chemistry MCQS with Answers
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The reaction that involves gases, its rate does not depend upon
Moles dm-3
Temperature
Partial pressure
Catalyst

The influence of temperature on reaction rate is predicated by
Van der weal’s equation
Free energy change of reaction
Arrhenius equation
Kinetic equation

The true representation for the units of rate constant K for the first order reaction
mole dm-3s-1
mole-1dm+3s-1
sec-1
mole dm-3s

The rate of reaction
May decrease or increase as the reaction proceeds
Decreases as the reaction proceeds
Increases as the reaction proceeds
Remains the same as the reaction proceeds

In zero order reaction, the rate is independent of
Temperature of reaction
None of these
Concentration of products
Concentration of reactants

When a reaction proceeds in a sequence of steps, the overall rate is determined by
Molecularity of all steps
Order of different steps
Fastest step
Slowest step

Velocity constant is the rate of reaction when the concentrations of reactants are
Three
Zero
Unity
Two

If the energy of the activated complex lies close to energy of reactants, it means that reaction is
Endothermic
Slow
Fast
Exothermic

The mathematical relation between the rate of reaction and the concentrations of the reactants is known as the
Rate law
Both a and b
Rate equation
Arrhenius equation

The unit of the rate constant is same as that of the rate of reaction in
First order reaction
Zero order reaction
Third order reaction
Second order reaction

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