English

Rate constant for the reaction 2NA2OA5⟶4NOA2+OA2 is 4.98 × 10–4 s–1. Find the order of reaction? - Chemistry

Advertisements
Advertisements

Question

Rate constant for the reaction \[\ce{2N2O5 -> 4NO2 + O2}\] is 4.98 × 10–4 s–1. Find the order of reaction?

One Line Answer

Solution

Since the unit of rate constant is s–1, the reaction is first order.

shaalaa.com
Rate of Reactions
  Is there an error in this question or solution?
Chapter 6: Chemical Kinetics - Very short answer questions

APPEARS IN

SCERT Maharashtra Chemistry [English] 12 Standard HSC
Chapter 6 Chemical Kinetics
Very short answer questions | Q 4

RELATED QUESTIONS

The rate of reaction for certain reaction is expressed as:

`1/3(d[A])/dt=-1/2(d[B])/dt=-(d[C])/dt`

 The reaction is ______.


Choose the most correct option.

The rate law for the reaction aA + bB → P is rate = k[A] [B]. The rate of reaction doubles if _________.


Answer the following in one or two sentences.

For the reaction,

\[\ce{N2_{(g)} + 3H2_{(g)} -> 2NH3_{(g)}}\],

what is the relationship among `("d"["N"_2])/"dt"`, `("d"["H"_2])/"dt"` and `("d"["NH"_3])/"dt"`?


Answer the following in brief.

How instantaneous rate of reaction is determined?


In a chemical reaction, \[\ce{2A + B -> C + D}\] Find the INCORRECT statement.


If concentration of reactant 'A' is increased by 10 times the rate of reaction becomes 100 times. What is the order of reaction, if rate law is, rate = k[A]x?


For the reaction \[\ce{A + 2B -> C}\], the instantaneous rate of reaction at a given instant can be represented by ____________.


In a reaction \[\ce{2A + P -> A2P}\], the reactant 'A' disappears at ____________.


The rate of disappearance of SO2 in the reaction \[\ce{2SO2 + O2 -> 2SO3}\] is 1.28 × 10−3 mol dm−3 s−1. Then the rate of formation of SO3 is ____________ mol dm−3 s−1.


For the reaction \[\ce{N2 + 3H2 ⇌ 2NH3}\]; if `(∆["NH"_3])/(∆"t")` = 2 × 10−4 mol dm−3 s−1, the value of `(-Δ["N"_2])/(∆"t")` would be ____________.


Which of the following expressions is CORRECT for the rate of formation of Br2?

\[\ce{5Br^-_{( aq)} + BrO^-_{3(aq)} + 6H^+_{( aq)} -> 3Br2_{(aq)} + 3H2O_{(l)}}\]


What is the average rate of reaction when the change in concentration of product is 0.05 Min 20 seconds?


For the reaction,

\[\ce{2NO(g) + O2(g) -> 2NO2(g) ->[d(NO2)][dt] = 0.052 mol dm^{-3} s^{-1}}\]

Calculate rate of consumption of NO (g).


What is the relation between `("d"["H"_2])/"dt" and ("d"["NH"_3])/"dt"`?


In the reaction A + 3B → 2C, the rate of formation of C is ______.


Define the rate of a reaction.


Explain the term instantaneous rate of a reaction.


Explain factors affecting the rate constant of a chemical reaction.


For the reaction, \[\ce{3I^-(aq) + S2O^2-_8(aq) -> I^-_3(aq) + 2SO^2-_4(aq)}\]

`(d[SO_4^(2-)])/dt = 2.2 xx 10^(-2)` M/s at a particular time.

Calculate `(a) -(d[I^-])/dt   (b) -(d[S_2O_8^(2-)])/dt   (c) (d[I_3^-])/dt`


What is the rate law for reaction

\[\ce{2NO_{2(g)}-> 2NO_{(g)} + O_{2(g)}}\]


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×