Chemical Kinetics and Nuclear Chemistry Questions

In the reaction : P + Q →R + S the time taken for 75% reaction of P is twice the time taken for 50% reaction of P. The concentrationof Q varies with reaction time as shown in the figure. The over...

For the non-stoichiometre reaction 2A + B → C + D, the following kinetic data were obtained in three separate experiments, all at 298 K. The rate law for the formation of C is...

For the elementary reaction M → N, the rate of disappearance of M increases by a factor of 8 upon doubling the concentration of M. The order of the reaction with respect to M is...

Isomers of hexane, based on their branching, can be divided into three distinct classes as shown in the figure. The correct order of their boiling point is...

The rate law for the dimerisation of NO2 is = k [NO2]2which of the following changes will change the value of the specific rate constant , k :...

An α-particle is given out by 92X238, the new species Y would be :

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

Cobalt (III) chloride forms several octahedral complexes with ammonia. Which of the following will not give test of chloride ions with silver nitrate at 25oC ?

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

The correct increasing order of basic strength for the following compounds is :...

The correct increasing order of basic strength for the following compounds is :...

A first order reaction has a specific reaction rate of 10-2 sec–-1. How much time will it take for 20g of the reactant to reduce to 5 g ?

The rate of a first-order reaction is 0.04 mol l-1 s-1 at 10 second and 0.03 mol l-1 s-1 at 20 seconds afterinitiation of the reaction. The half-life period of the reaction is:...

The addition of a catalyst during a chemical reaction alters which of the following quantities?

The increasing order of basicity of the following compounds is : (A)Â Â Â Â Â (B)Â Â (C)Â Â Â Â Â Â (D)Â...

The correct difference between first- and second-order reaction is that

Among CaH2, BeH2, BaH2, the order of ionic character is

The correct order of N-compounds in its decreasing order of oxidation states is

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

The initial rate of hydrolysis of methyl acetate (1M) by a weak acid (HA, 1M) is 1/100th of that of a strong acid (HX, 1M), at 25oC. The Ka of HA is