Question

The molecularity and order of the reaction 2NO(g) + O2 give rise to 2NO2 are
a. one and one
b. two and two
c. three and three
d. two and three​

Answer 1

Answer:

answer

Explanation:

the answer is

options c

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Answer 2

Molecularity: It is defined as the total number of reactant molecules taking part in the balanced equation of a reaction. It is a theoretical concept.

The given balanced chemical reaction is,

$\boxed{\bold{2NO+O_2=2NO_2}}$

In this reaction,

Two NO molecules reacts with the One O₂  molecule.

Total number of reactant molecule = 2 + 1 = 3

∴ Molecularity of the reaction is 3.

Order : the relationship between the rate of a chemical reaction and the concentration of the species taking part in it. It is the highest power of any of the molecules given.

Here,

NO and NO₂ has has order 2

The rate constant of the equation is given by,

$\boxed{\bold{rate = k[NO_2]^2[O_2]}}$

Here,

The highest power = 2

∴ Order of the reaction = 2

$\boxed{\bold{Molecularity=3}}$        

$\boxed{\bold{Order=2}}$