1
AIIMS 2019
MCQ (Single Correct Answer)
+1
-0.33

Find out time period of Ist order reaction. When reaction complete $$2 / 3 \mathrm{rd}$$. If the value of rate constant is $$4.3 \times 10^{-4}$$

A
$$0.0025 \times 10^3 \mathrm{~sec}$$
B
$$0.25 \times 10^3 \mathrm{~sec}$$
C
$$0.025 \times 10^3 \mathrm{~sec}$$
D
$$2.5 \times 10^3 \mathrm{~sec}$$
2
AIIMS 2019
MCQ (Single Correct Answer)
+1
-0.33

What is the activation energy $$(\mathrm{kJ} / \mathrm{mol})$$ for a reaction if its rate constant doubles when the temperature is raised from $$300 \mathrm{~K}$$ to $$400 \mathrm{~K}$$ of these $$(R=8.314 \mathrm{~Jmol}^{-1} \mathrm{~K}^{-1})$$

A
68.8
B
6.88
C
34.4
D
3.44
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