Which of the following statements is not correct?

Question

Which of the following statements is not correct? (A) For a zero order reaction, t1/2 is proportional to initial concentration. (B) The relationship of variation of rate constant with temperature is given by log (k2/k1)=(Ea/2.303R) [(T2-T1/T1T2)] (C) The unit of rate constant for a reaction is mol1-n Ln-1 s-1 where n is order of the reaction. (D) The unit of rate of reaction changes with order of reaction.

Tardigrade Admin · Accepted Answer

The unit of rate of reaction is mol L-1 s-1. It does not change with order.

Q. Which of the following statements is not correct?

For a zero order reaction, $t_{1/2}$ is proportional to initial concentration.

The relationship of variation of rate constant with temperature is given by $l o g \frac{k _{2}}{k _{1}} = \frac{E _{a}}{2.303 R} [\frac{T _{2} - T _{1}}{T _{1} T _{2}}]$

The unit of rate constant for a reaction is $m o l^{1 - n}$ $L^{n - 1}$ $s^{- 1}$ where $n$ is order of the reaction.

The unit of rate of reaction changes with order of reaction.

The unit of rate of reaction is mol $L^{- 1}$ $s^{- 1} .$ It does not change with order.

Q. Which of the following statements is not correct?

For a zero order reaction, t1/2​ is proportional to initial concentration.

The relationship of variation of rate constant with temperature is given by logk1​k2​​=2.303REa​​[T1​T2​T2​−T1​​]

The unit of rate constant for a reaction is mol1−n Ln−1 s−1 where n is order of the reaction.

The unit of rate of reaction changes with order of reaction.

The unit of rate of reaction is mol L−1 s−1. It does not change with order.

For a zero order reaction, $t_{1/2}$ is proportional to initial concentration.

The relationship of variation of rate constant with temperature is given by $l o g \frac{k _{2}}{k _{1}} = \frac{E _{a}}{2.303 R} [\frac{T _{2} - T _{1}}{T _{1} T _{2}}]$

The unit of rate constant for a reaction is $m o l^{1 - n}$ $L^{n - 1}$ $s^{- 1}$ where $n$ is order of the reaction.

The unit of rate of reaction is mol $L^{- 1}$ $s^{- 1} .$ It does not change with order.