Give four characteristics of rate constant.

Explanation

Characteristic of Rate Constant
i) Rate constant k is a measure of the reaction. Larger the value of k, faster is the reaction. Similarly, smaller value of k indicates slow reactions.
(ii) Different reactions have different values of k
(iii) At a fixed temperature, the value of k is constant and is a characteristic of the reaction. However, it changes with temperature. On increasing the temperature value of k increases and on decreasing the temperature value of k decreases.
(iv) For a particular reation, the rate constant is independent of concentration