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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

Choose the most correct option. The reaction, 3ClOX−⟶ClOX3−+2ClX− occurs in two steps, (i) 2ClOX−⟶ClOX2− (ii) ClOX2−+ClOX−⟶ClOX3−+ClX− The reaction intermediate is _______.

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प्रश्न

Choose the most correct option.

The reaction, \[\ce{3ClO- -> ClO^-3 + 2Cl-}\] occurs in two steps, 

(i) \[\ce{2ClO- -> ClO^-2}\]

(ii) \[\ce{ClO^-2 + ClO- -> ClO^-_3 + Cl-}\] 

The reaction intermediate is _______.

पर्याय

  • `"Cl"^-`

  • `"ClO"_2^-`

  • `"ClO"_3^-`

  • `"ClO"^-`

MCQ
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उत्तर

The reaction, \[\ce{3ClO- -> ClO^-3 + 2Cl-}\] occurs in two steps, 

(i) \[\ce{2ClO- -> ClO^-2}\]

(ii) \[\ce{ClO^-2 + ClO- -> ClO^-_3 + Cl-}\] 

The reaction intermediate is `"ClO"_2^-`.

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पाठ 6: Chemical Kinetics - Exercises [पृष्ठ १३५]

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बालभारती Chemistry [English] Standard 12 Maharashtra State Board
पाठ 6 Chemical Kinetics
Exercises | Q 1. vii. | पृष्ठ १३५

संबंधित प्रश्‍न

Choose the most correct option.

The order of the reaction for which the units of the rate constant are mol dm-3 s-1 is _______.


Choose the most correct option.

The rate constant for the reaction \[\ce{2N2O5_{(g)} -> 2N2O4_{(g)} + O2_{(g)}}\] is `4.98 xx 10^-4 "s"^-1`. The order of reaction is _____________.


The elementary reaction \[\ce{O3_{(g)} + O_{(g)} -> 2O2_{(g)}}\] is ______.


Choose the most correct option.

Rate law for the reaction, \[\ce{2NO + Cl2 -> 2NOCl}\] is rate = k[NO2]2[Cl2]. Thus of k would increase with _____________.


Answer the following in brief.

For the reaction 2A + B → products, find the rate law from the following data.

[A]/M [B]/M rate/M s-1
0.3 0.05 0.15
0.6 0.05 0.30
0.6 0.2 1.20

A First order reaction is 50% complete in 69.3 minutes. Time required for 90% completion for the same reaction is _______.


The rate law relates to the rate of a chemical reaction in terms of _______.


Order of reaction for which unit of rate constant is mol dm–3 s–1 is _______.


Define order of reaction with suitable examples.


In a first-order reaction A → B, 60% of a given sample of a compound decomposes in 45 mins. What is the half-life of reaction? Also, write the rate law equation for the above first-order reaction.


In a hypothetical reaction,

\[\ce{2A + B -> Products}\]. Rate = k [A]2 [B]

Molar concentration of 'B' is kept constant and molar concentration of 'A' is tripled, then the rate of reaction will ____________.


For the reaction, \[\ce{N2(g) + 3H2(g) -> 2NH3(g); \Delta H}\] is equal to ______.


A gaseous hypothetical chemical equation \[\ce{2A ⇌ 4B + C}\] is carried out in a closed vessel. The concentration of B is found to increase by 5 × 10−3 mol dm−3 in 10 second. The rate of ____________.


For a hypothetical reaction \[\ce{A + B -> C}\], it is found that doubling the concentration of A increases the rate by 8 times and doubling the concentration of B increases the rate by 4 times. The overall order of the reaction is ____________.


Select the rate law that corresponds to the data shown for the following reaction:

\[\ce{A + B -> C}\]

Exp. [A]
mol dm−3
[B]
mol dm−3
Initial Rate
mol dm−3
1. 0.012 0.035 0.10
2. 0.024 0.070 0.80
3. 0.024 0.035 0.10
4. 0.012 0.070 0.80

The order of the reaction occurring by following mechanism should be:

(i) \[\ce{A2 + B2 -> AB2 + A (slow)}\]

(ii) \[\ce{A + B2 -> AB2 (fast)}\]


The rate law for the reaction \[\ce{2NO_{(g)} + O2_{(g)} -> 2NO2_{(g)}}\] is rate = k[NO]2 [O2] , then which among the following statement is correct?


In the reaction \[\ce{A + B2 -> AB + B}\], the rate of reaction is directly proportional to the concentration of A and independent on the concentration of B2. What is the rate law expression?


Which of the following unit is used to express the rate of a reaction?


Write the rate law for the following reaction:

A reaction that is zero order in A and second order in B.


For the reaction A + B → P.

If [B] is doubled at constant [A], the rate of reaction doubled. If [A] is triple and [B] is doubled, the rate of reaction increases by a factor of 6. Calculate the rate law equation.


For the reaction 2A + B → A2B find the rate of decrease of [B].


The rate constant for the reaction,

2N2O5(g) → 2N2O4(g) + O2(g) is 4.98 × 10-4 s-1.

What is the order of reaction?


The rate constant for a first-order reaction whose half-life is 480 seconds is ______.


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