1
JEE Main 2020 (Online) 8th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Consider the following plots of rate constant
versus $${1 \over T}$$ for four different reactions. Which
of the following orders is correct for the
activation energies of these reactions?
![JEE Main 2020 (Online) 8th January Evening Slot Chemistry - Chemical Kinetics and Nuclear Chemistry Question 105 English](https://imagex.cdn.examgoal.net/7k9k2k5hkwevx/ff7dd6df-d6f7-4f0f-bb09-a293b1447754/f83a20d0-38d5-11ea-92dd-4b9c3519996f/file-7k9k2k5hkwevy-399w.jpg)
![JEE Main 2020 (Online) 8th January Evening Slot Chemistry - Chemical Kinetics and Nuclear Chemistry Question 105 English](https://imagex.cdn.examgoal.net/7k9k2k5hkwevx/ff7dd6df-d6f7-4f0f-bb09-a293b1447754/f83a20d0-38d5-11ea-92dd-4b9c3519996f/file-7k9k2k5hkwevy-399w.jpg)
2
JEE Main 2020 (Online) 8th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
The rate of a certain biochemical reaction at physiological temperature (T) occurs 106 times faster with
enzyme than without. The change in the activation energy upon adding enzyme is :
3
JEE Main 2020 (Online) 7th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
For the reaction
2H2(g) + 2NO(g) $$ \to $$ N2(g) + 2H2O(g)
the observed rate expression is, rate = Kf[NO]2[H2]. The rate expression for the reverse reaction is :
2H2(g) + 2NO(g) $$ \to $$ N2(g) + 2H2O(g)
the observed rate expression is, rate = Kf[NO]2[H2]. The rate expression for the reverse reaction is :
4
JEE Main 2019 (Online) 12th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
NO2 required for a reaction is produced by the decomposition of N2O5 in CCl4 as per the equation,
2N2O5(g) $$ \to $$ 4NO2(g) + O2(g).
The initial concentration of N2O5 is 3.00 mol L–1 and it is 2.75 mol L–1 after 30 minutes. The rate of formation of NO2 is :
2N2O5(g) $$ \to $$ 4NO2(g) + O2(g).
The initial concentration of N2O5 is 3.00 mol L–1 and it is 2.75 mol L–1 after 30 minutes. The rate of formation of NO2 is :
Questions Asked from Chemical Kinetics and Nuclear Chemistry (MCQ (Single Correct Answer))
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