1
NEET 2024
MCQ (Single Correct Answer)
+4
-1
Change Language

Activation energy of any chemical reaction can be calculated if one knows the value of

A
rate constant at standard temperature
B
probability of collision
C
orientation of reactant molecules during collision
D
rate constant at two different temperatures
2
NEET 2024
MCQ (Single Correct Answer)
+4
-1
Change Language

Which plot of $$\ln \mathrm{k}$$ vs $$\frac{1}{\mathrm{~T}}$$ is consistent with Arrhenius equation?

A
NEET 2024 Chemistry - Chemical Kinetics Question 4 English Option 1
B
NEET 2024 Chemistry - Chemical Kinetics Question 4 English Option 2
C
NEET 2024 Chemistry - Chemical Kinetics Question 4 English Option 3
D
NEET 2024 Chemistry - Chemical Kinetics Question 4 English Option 4
3
NEET 2024
MCQ (Single Correct Answer)
+4
-1
Change Language

The rate of a reaction quadruples when temperature changes from $$27^{\circ} \mathrm{C}$$ to $$57^{\circ} \mathrm{C}$$. Calculate the energy of activation.

Given $$\mathrm{R}=8.314 \mathrm{~J} \mathrm{~K}^{-1} \mathrm{~mol}^{-1}, \log 4=0.6021$$

A
$$38.04 \mathrm{~kJ} / \mathrm{mol}$$
B
$$380.4 \mathrm{~kJ} / \mathrm{mol}$$
C
$$3.80 \mathrm{~kJ} / \mathrm{mol}$$
D
$$3804 \mathrm{~kJ} / \mathrm{mol}$$
4
NEET 2023 Manipur
MCQ (Single Correct Answer)
+4
-1
Change Language

For a reaction $$3 \mathrm{~A} \rightarrow 2 \mathrm{~B}$$

The average rate of appearance of $$\mathrm{B}$$ is given by $$\frac{\Delta[B]}{\Delta t}$$. The correct relation between the average rate of appearance of $$\mathrm{B}$$ with the average rate of disappearance of A is given in option :

A
$$\frac{-\Delta[\mathrm{A}]}{\Delta \mathrm{t}}$$
B
$$\frac{-3 \Delta[\mathrm{A}]}{2 \Delta t}$$
C
$$\frac{-2 \Delta[\mathrm{A}]}{3 \Delta \mathrm{t}}$$
D
$$\frac{\Delta[\mathrm{A}]}{\Delta t}$$
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