Tag: chemical kinetics
Questions Related to chemical kinetics
For a second order reaction rate at a particular time is $X$. If the initial concentration is tripled, the rate will become:
Which of the following statements is incorrect?
The rate of solvolysis of tert-butyl bromide will be maximum in which of the following solvents?
The inversion of cane sugar to produce glucose and fructose is represented by the reaction
${ C } _{ 12 }{ H } _{ 22 }{ O } _{ 11 }+{ H } _{ 2 }O\quad \xrightarrow { { H }^{ + } } { C } _{ 6 }{ H } _{ 12 }{ O } _{ 6 }+{ C } _{ 6 }{ H } _{ 12 }{ O } _{ 6 }$
The reaction is:
Units of the rate constant of first and zero order reactions in terms of molarity M unit are respectively:
The unit of rate constant obeying the rate expression $r=K[A]^{1}[B]^{2/3}$ is:
The reaction, $2A+ B \rightarrow$ Products, follows the mechanism:
$2A \leftrightharpoons A _2$ (at equilibrium)
$A _2 + B \rightarrow$ Products (slow)
The order of the reaction is:
For the elementary reaction 2A $\rightarrow $ C ,the concentration of A after 30 minutes was found to be 0.01 mole/lit. If the rate constant of the reaction is $2.5 \times 10^{-2}$ lit mole$^{-1}$ sec$^{-1}$. The rate of the reaction at 30 minutes is:
The specific rate of a reaction is $1.51 \times10^{-4}$ lit mole$^{-1}$ sec$^{-1}$. If the reaction is commenced with 0.2 mole lit$^{-1}$ of the reactant, the initial rate of the reaction in mole lit$^{-1}$ sec$^{-1}$ is:
Read the following table and chose the appropriate option
Rate equation | Units of K |
---|---|
I) rate $=$ k[A] | a) mol lit$^{-1}$ sec $^{-1}$ |
II) rate $=$ k[A][B] | b) mol$^{-2}$ lit$^{2}$ sec $^{-1}$ |
III) rate $=$ k[A][B]$^2$ | c) sec $^{-1}$ |
IV) rate $=$ k | d) lit mol$^{-1}$ sec $^{-1}$ |