Javascript is required
1
JEE Main 2021 (Online) 17th March Evening Shift
Numerical  +4  -1
The reaction 2A + B2 $$ \to $$ 2AB is an elementary reaction.

For a certain quantity of reactants, if the volume of the reaction vessel is reduced by a factor of 3, the rate of the reaction increases by a factor of ____________. (Round off to the Nearest Integer).
Your input ____
2
JEE Main 2021 (Online) 17th March Morning Shift
Numerical  +4  -1
For a certain first order reaction 32% of the reactant is left after 570s. The rate constant of this reaction is _________ $$\times$$ 10$$-$$3 s$$-$$1. (Round off to the Nearest Integer). [Given : log102 = 0.301, ln10 = 2.303]
Your input ____
3
JEE Main 2021 (Online) 16th March Evening Shift
Numerical  +4  -1
A and B decompose via first order kinetics with half-lives 54.0 min and 18.0 min respectively. Starting from an equimolar non reactive mixture of A and B, the time taken for the concentration of A to become 16 times that of B is _________ min. (Round off to the Nearest Integer).
Your input ____
4
JEE Main 2021 (Online) 16th March Morning Shift
Numerical  +4  -1
The decomposition of formic acid on gold surface follows first order kinetics. If the rate constant at 300 K is 1.0 $$\times$$ 10$$-$$3 s$$-$$1 and the activation energy Ea = 11.488 kJ mol$$-$$1, the rate constant at 200 K is ____________ $$\times$$ 10$$-$$5 s$$-$$1. (Round off to the Nearest Integer). (Given : R = 8.314 J mol$$-$$1 K$$-$$1)
Your input ____
JEE Main Subjects
© 2023 ExamGOAL