Chemical Kinetics (Chapter Test - Medical) - Class 12 MCQ

The following data pertains to reaction between A and
B

Which of the following reference(s) can be drawn from the above data ?
I. Rate constant of the reaction is 1.0 x 10^-4
II. Rate law of the reaction is : rate = k [A] [B]
III. Rate of reaction increases four times on
doubling the concentration of both the reactants

Select the correct answer using the codes given below

Which one of the following equation is correct for the reaction,

Units of specific reaction rate for 2nd order reaction is

The units of rate constant and rate of reaction are identical for

Fill in the blanks in the following table for the reaction X + Y → Z . The reaction is of the first order w.r.t. X and
zero order w.r.t. Y.

For a reaction, P +Q → 2R + S . Which of the following
statements is incorrect ?

Match the rate law given in column I with the dimensions of rate constants given in column II and mark the
appropriate choice.

At room temperature, the reaction between NO and O² to give NO² is fast, while that between CO and O² is
slow. It is due to

Which one is not correct ?

The rate of equation for the reaction 2A + B→C is found to be : rate = k[A][B]. The correct statement in relation to this reaction is that

A mixture of hydrogen and oxygen gases are indefinitely stable at room temperature but if stuck by a spark the mixture immediately explodes because

The activation energy for the forward reaction A + B ⇔ C + D is 38 kJ and enthalpy of reaction is 20 kJ. The
activation energy for this same reaction in the reverse direction will be

Which of the following simple reactions is trimolecular reaction ?

The half-life period of radioactive materials is 15 minutes. What percent of radioactive of that material
with remain after 45 minutes ?