Verified Solution • 2025–26 Session moderate

QJEEM21Ch9da4: JEE Main 2021 Chemistry - Class 12 JEEM21Ch9da4 Solution: For the following graphs, Choose from the options given below,…

For the following graphs,

JEE Main 2021 (Online) 25th July Morning Shift Chemistry - Chemical Kinetics and Nuclear Chemistry Question 91 English
Choose from the options given below, the correct one regarding order of reaction is :

Multiple Choice Options

  • A (b) Zero order (c) and (e) First order
  • B (a) and (b) Zero order (e) First order
  • C (b) and (d) Zero order (e) First order
  • D (a) and (b) Zero order (c) and (e) First order

Step-by-Step Verified Solution

For Zero order reactions

rate = K [Reactant]0

⇒\Rightarrow r = k

JEE Main 2021 (Online) 25th July Morning Shift Chemistry - Chemical Kinetics and Nuclear Chemistry Question 91 English Explanation 1
t1/2 = [A]02K{{{{[A]}_0}} \over {2K}} for Zero order

JEE Main 2021 (Online) 25th July Morning Shift Chemistry - Chemical Kinetics and Nuclear Chemistry Question 91 English Explanation 2
For First order reaction →\to

r = K [Concentration]

JEE Main 2021 (Online) 25th July Morning Shift Chemistry - Chemical Kinetics and Nuclear Chemistry Question 91 English Explanation 3
Reactant concentration after time t →\to

Ct = C0 e-kt

JEE Main 2021 (Online) 25th July Morning Shift Chemistry - Chemical Kinetics and Nuclear Chemistry Question 91 English Explanation 4

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