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Choose the most correct option. Slope of the graph ln[A]t versus t for first-order reaction is _________. - Chemistry

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प्रश्न

Choose the most correct option.

Slope of the graph ln[A]t versus t for first-order reaction is _________.

पर्याय

  • -k

  • k

  • `"k"/2.303`

  • `"-k"/2.303`

MCQ
रिकाम्या जागा भरा

उत्तर

The slope of the graph ln[A]t versus t for the first-order reaction is -k.

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Rate of Reaction and Reactant Concentration
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 6: Chemical Kinetics - Exercises [पृष्ठ १३५]

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बालभारती Chemistry [English] 12 Standard HSC
पाठ 6 Chemical Kinetics
Exercises | Q 1. v. | पृष्ठ १३५

संबंधित प्रश्‍न

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


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Choose the most correct option.

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


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
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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 _______.


Write four key points about order of reaction.


Define order of reaction with suitable examples.


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Step 1: \[\ce{NO_{2(g)} + F_2 -> NO2F_{(g)} + F_{(g)}}\] (slow)

Step 2: \[\ce{F_{(g)} + NO_{2(g)} -> NO_2F}\] (Fast)

  1. Write the equation of overall reaction.
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The rate constant of a first order reaction whose half-life is 480 seconds, is ____________.


For a chemical reaction rate law is, rate = k[A]2[B]. If [A] is doubled at constant [B], the rate of reaction ______.


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:

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

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The reaction \[\ce{A + B -> P}\], is second order in A and first order in B. What is the rate law for the reaction?


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What is the molecularity and order of the following reaction if rate law is, rate = k[O3][O] respectively.

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