1
JEE Main 2022 (Online) 26th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

At $$30^{\circ} \mathrm{C}$$, the half life for the decomposition of $$\mathrm{AB}_{2}$$ is $$200 \mathrm{~s}$$ and is independent of the initial concentration of $$\mathrm{AB}_{2}$$. The time required for $$80 \%$$ of the $$\mathrm{AB}_{2}$$ to decompose is

Given: $$\log 2=0.30$$ $$\quad \log 3=0.48$$

A
200 s
B
323 s
C
467 s
D
532 s
2
JEE Main 2022 (Online) 24th June Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

For a first order reaction, the time required for completion of 90% reaction is 'x' times the half life of the reaction. The value of 'x' is

(Given : ln 10 = 2.303 and log 2 = 0.3010)

A
1.12
B
2.43
C
3.32
D
33.31
3
JEE Main 2021 (Online) 1st September Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Which one of the following given graphs represents the variation of rate constant (k) with temperature (T) for an endothermic reaction?
A
JEE Main 2021 (Online) 1st September Evening Shift Chemistry - Chemical Kinetics and Nuclear Chemistry Question 61 English Option 1
B
JEE Main 2021 (Online) 1st September Evening Shift Chemistry - Chemical Kinetics and Nuclear Chemistry Question 61 English Option 2
C
JEE Main 2021 (Online) 1st September Evening Shift Chemistry - Chemical Kinetics and Nuclear Chemistry Question 61 English Option 3
D
JEE Main 2021 (Online) 1st September Evening Shift Chemistry - Chemical Kinetics and Nuclear Chemistry Question 61 English Option 4
4
JEE Main 2021 (Online) 27th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
For a reaction of order n, the unit of the rate constant is :
A
mol1$$-$$n L1$$-$$n s
B
mol1$$-$$n L2n s$$-$$1
C
mol1$$-$$n Ln$$-$$1 s$$-$$1
D
mol1$$-$$n L1$$-$$n s$$-$$1
JEE Main Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12