
The formation in water of -potassium chromo-oxalate from its -form is a reversible reaction, which is first-order in both directions, the racemate being the equilibrium product. A polarimeter experiment at showed that after of the -isomer was converted to the -form. Find the rate constant for the forward and the reverse reactions.
Given

Important Questions on Chemical Kinetics
Derive the equilibrium constant for decomposition of from the following data
Time in minute | |||||
Volume of given by |

The kinetics of hydrolysis of methyl acetate in excess dilute at were followed by withdrawing of the reaction mixture at intervals of , adding water, and titrating with baryta water. Determine the velocity constant of hydrolysis.
(in a minute) | |||||
Titre value (in ) |

In the inversion of cane sugar in the presence of an acid, the following polarimeter readings are obtained.
Time (in minute) | |||||
Rotation (in degree) |
Calculate the rate constant.


For the consecutive unimolecular-type first-order reaction the concentration of component at any time is given by
if at ,
The time at which the maximum concentration of occurs is

In a , a homogeneous reaction's first-order of the type (consecutive reaction) is carried out. Among the following, which curve shows a variation of concentration of and with time?


A substance undergoes a first-order decomposition. The decomposition follows two parallel first-order reactions as given below.
The percentage distributions of and are
( and )
