Which among the following is a false statement?
- AHalf life of a third order reaction is inversely proportional to the square of initial concentration of the reactant.
- BMolecularity of a reaction may be zero or fractional.
- CFor a first order reaction $t_{1/2} = \frac{0.693}{K}$.
- DRate of zero order reaction is independent of initial concentration of reactant.
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The following graph shows the relationship between $(a-x)^{-1}$ and time $t$ for a second-order reaction. If $\theta = \tan^{-1}(1/2)$ and $OA = 2 \ L \ mol^{-1}$,then the rate at the start of the reaction will be (in $mol \ L^{-1} \ min^{-1}$):
Medium
View SolutionThe mechanism of the reaction $2NO_2 + F_2 \to 2NO_2F$ is given by:
$(i)$ $NO_2 \xrightarrow{slow} NO + O$
$(ii)$ $F_2 + O + NO \xrightarrow{fast} NO_2F + F$
$(iii)$ $F + NO_2 \xrightarrow{fast} NO_2F$
Select the correct statement.
$(i)$ $NO_2 \xrightarrow{slow} NO + O$
$(ii)$ $F_2 + O + NO \xrightarrow{fast} NO_2F + F$
$(iii)$ $F + NO_2 \xrightarrow{fast} NO_2F$
Select the correct statement.
Medium
View SolutionThe value of the rate constant of a pseudo first order reaction:
Which of the following options correctly represents the relationship between $t_{7/8}$ and $t_{1/2}$ where $t_{7/8}$ represents the time required for the concentration to become $1/8$ of the original for a reaction of order $n$?
Difficult
View SolutionThe rate law for the reaction $A + 2B \rightarrow C + 2D$ is given by:
Easy
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