मराठी
तामिळनाडू बोर्ड ऑफ सेकेंडरी एज्युकेशनएचएससी विज्ञान इयत्ता १२

Assertion: rate of reaction doubles when the concentration of the reactant is doubles if it is a first-order reaction. Reason: rate constant also doubles.

Advertisements
Advertisements

प्रश्न

Assertion: rate of reaction doubles when the concentration of the reactant is doubles if it is a first-order reaction.

Reason: rate constant also doubles.

पर्याय

  • Both assertion and reason are true and reason is the correct explanation of assertion.

  • Both assertion and reason are true but reason is not the correct explanation of assertion.

  • Assertion is true but reason is false.

  • Both assertion and reason are false.

MCQ
Advertisements

उत्तर

Assertion is true but reason is false.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 7: Chemical Kinetics - Evaluation [पृष्ठ २२८]

APPEARS IN

सामाचीर कलवी Chemistry - Volume 1 and 2 [English] Class 12 TN Board
पाठ 7 Chemical Kinetics
Evaluation | Q 16. | पृष्ठ २२८

संबंधित प्रश्‍न

Answer the following in brief.

What is a zeroth-order reaction?


For the reaction 2NOBr → 2NO2 + Br2, the rate law is rate = k[NOBr]2. If the rate of a reaction is 6.5 × 10–6 mol L–1 s–1, when the concentration of NOBr is 2 × 10–3 mol L–1. What would be the rate constant of the reaction?


If [A] is the concentration of A at any time t and [A]0 is the concentration at t = 0, then for the 1st order reaction, the rate equation can be written as ____________.


0.0210 M solution of N2O5 is allowed to decompose at 43°C. How long will it take to reduce to 0.0150 M?
(Given k = 6.0 × 10−4 sec−1)


A first order reaction is 50% completed in 16 minutes. The percentage of reactant that will react in 32 minutes is ____________.


For the first order reaction A → B, the rate constant is 0.25 s-1, if the concentration of A is reduced to half, the value of rate constant will be ________.


Half-life of first-order reaction \[\ce{X -> Y + Z}\] is 3 minutes. What is the time required to reduce the concentration of 'X' by 90 % of it's initial concentration?


Half-life of a first order reaction is 30 minutes and initial concentration of reactant is 0.1 M.

What is half-life of the reaction if initial concentration of reactant is doubled? 


Consider the following reaction.

\[\ce{SO2(g) + 1/2 O2(g) <=>[K1] SO3(g)}\]

\[\ce{2SO3(g)<=>[K2] 2SO2(g) + O2(g)}\]

What is the relation between K1 and K2?


Which of the following equations exhibits the integrated rate law equation for first order reaction?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×