Alpha Question Bank for Medical: Chemistry>Chapter 10 - Chemical Kinetics>Exercise 4>Q 52

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The activation energy of a reaction can be determined from the slope of which of the following graphs?

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Important Questions on Chemical Kinetics

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Alpha Question Bank for Medical: Chemistry>Chapter 10 - Chemical Kinetics>Exercise 4>Q 53

When initial concentration of reactant is doubled in a reaction its half-life period is not affected. The order of the reaction is :-

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Alpha Question Bank for Medical: Chemistry>Chapter 10 - Chemical Kinetics>Exercise 4>Q 54

The rate of a first-order reaction is

0.04 mol l^{- 1} s^{- 1}

at

10

seconds and

0.03 mol {}^{- 1} s^{- 1}

at

20

seconds after initiation of the reaction. The half-life period of the reaction is:

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Alpha Question Bank for Medical: Chemistry>Chapter 10 - Chemical Kinetics>Exercise 4>Q 55

The decomposition of phosphine

({PH}_{3})

on tungsten at low pressure is a first-order reaction. It is because the

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Alpha Question Bank for Medical: Chemistry>Chapter 10 - Chemical Kinetics>Exercise 4>Q 56

A first order reaction has a specific reaction rate of

10^{- 2} s^{- 1}

. How much time will it take for

20 g

of the reactant to reduce to

5 g

?

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Alpha Question Bank for Medical: Chemistry>Chapter 10 - Chemical Kinetics>Exercise 4>Q 57

The correct difference between first and second order reaction is that

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Alpha Question Bank for Medical: Chemistry>Chapter 10 - Chemical Kinetics>Exercise 4>Q 58

When initial concentration of the reactant is doubled, the half-life period of a zero order reaction:

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Alpha Question Bank for Medical: Chemistry>Chapter 10 - Chemical Kinetics>Exercise 4>Q 59

A reaction involving two different reactants can never be:

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Alpha Question Bank for Medical: Chemistry>Chapter 10 - Chemical Kinetics>Exercise 4>Q 60

A reaction was found to be second order with respect to the concentration of carbon monoxide. If the concentration of carbon monoxide is doubled, with everything else kept the same, the rate of reaction will be: