What is the time required for 75 percent completion of a first-order reaction?

Reactions whose molecularity is one but order is more than one are known as pseudo first-order reactions.

In a chemical reaction, if the reactant requires a high amount of activation energy, then what is the behaviour of the r…

The rate constant of a reaction is 6 × 10-3 s-1 at 50° and 9 × 10-3 s-1 at 100° C. Calculate the energy of ac…

What is R in the equation k = Ae-Ea/RT?

For the reaction X → Y + Z, the rate constant is 0.00058 s-1. What percentage of X will be decomposed in 50 minutes…

Which of the following is not a direct factor affecting the rate of a reaction?

What is the value of rate constant k if the value of the activation energy Ea and the frequency factor A are 49 kJ / mol…