(B) The rate law for a chemical reaction is expressed as $\text{rate} = K [A]^p [B]^q$. The order of a reaction is defined as the sum of the powers of

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(B) The rate law for a chemical reaction is expressed as $\text{rate} = K [A]^p [B]^q$. The order of a reaction is defined as the sum of the powers of the concentration terms in the rate law expression. Here,the powers are $p$ and $q$. Therefore,the order of the reaction is $(p+q)$.

Class 12 Chemistry Chemical Kinetics Rate law , Rate constant , Order of Reaction and Molecularity

Medium

The rate law expression for the reaction $aA + bB \to P$ is $\text{rate} = K [A]^p [B]^q$. The order of the reaction is

A
$(a+b)$
B
$(p+q)$
C
$(a-b)$
D
$(p-q)$

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Class 12 Questions

Class 12

Chemistry Questions

Chapter

Chemical Kinetics

Subtopic

Rate law , Rate constant , Order of Reaction and Molecularity

The temperature coefficient of most reactions lies between $.......$.

Medium

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Match List-$I$ with List-$II$:
List-$I$ (Order of Reaction) List-$II$ (Unit of rate constant)
$A$. Zero order $I$. $mol^{-1} L s^{-1}$
$B$. First order $II$. $mol^{-2} L^{2} s^{-1}$
$C$. Second order $III$. $s^{-1}$
$D$. Third order $IV$. $mol L^{-1} s^{-1}$

MediumNEET 2026

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Which one of the following statements regarding the order of a reaction is not correct?

Medium

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The acidic hydrolysis of an ester is a .......

Easy

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The unit of rate constant $K$ for a third-order reaction is . . . . . . .

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List-$I$ (Order of Reaction)	List-$II$ (Unit of rate constant)
$A$. Zero order	$I$. $mol^{-1} L s^{-1}$
$B$. First order	$II$. $mol^{-2} L^{2} s^{-1}$
$C$. Second order	$III$. $s^{-1}$
$D$. Third order	$IV$. $mol L^{-1} s^{-1}$

The rate law expression for the reaction $aA + bB \to P$ is $\text{rate} = K [A]^p [B]^q$. The order of the reaction is

Similar Questions

The temperature coefficient of most reactions lies between $.......$.

Match List-$I$ with List-$II$:List-$I$ (Order of Reaction)List-$II$ (Unit of rate constant)$A$. Zero order$I$. $mol^{-1} L s^{-1}$$B$. First order$II$. $mol^{-2} L^{2} s^{-1}$$C$. Second order$III$. $s^{-1}$$D$. Third order$IV$. $mol L^{-1} s^{-1}$

Which one of the following statements regarding the order of a reaction is not correct?

The acidic hydrolysis of an ester is a .......

The unit of rate constant $K$ for a third-order reaction is . . . . . . .

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Match List-$I$ with List-$II$:
List-$I$ (Order of Reaction) List-$II$ (Unit of rate constant)
$A$. Zero order $I$. $mol^{-1} L s^{-1}$
$B$. First order $II$. $mol^{-2} L^{2} s^{-1}$
$C$. Second order $III$. $s^{-1}$
$D$. Third order $IV$. $mol L^{-1} s^{-1}$