HARD
JEE Main/Advance
IMPORTANT
Earn 100

The reaction 2N2O5g4NO2g+O2(g) follows first-order kinetics. The pressure of a vessel containing only N2O5 was found to increase from 50 mm Hg to 87.5 mm Hg in 30 minutes. The pressure exerted by the gases after 60 minutes will be (Assume temperature remains constant) :

50% studentsanswered this correctly

Important Questions on Chemical Kinetics

EASY
JEE Main/Advance
IMPORTANT
A+2BC , the rate equation for the reaction is given as

Rate =k[A][B]

If the concentration of A is kept the same but that of B is doubled what will happen to the rate itself?
EASY
JEE Main/Advance
IMPORTANT
For the equilibrium, AgBg, H is -40 kJ/mol . If the ratio of the activation energies of the forward Ef and reverse Eb reactions is 23 then:
EASY
JEE Main/Advance
IMPORTANT
The rate law for the reaction below is given by the expression kA[B]

A+BProduct

If the concentration of B is increased from 0.1 to 0.3 mol, keeping the value of A at 0.1 mol, the rate constant will be:
MEDIUM
JEE Main/Advance
IMPORTANT
The rate of a reaction A doubles on increasing the temperature from 300 to 310 K. By how much, the temperature of reaction B should be increased from 300 K so that rate doubles if activation energy of the reaction B is twice to that of reaction A.
MEDIUM
JEE Main/Advance
IMPORTANT
The rate of a reaction quadruples when the temperature changes from 300 to 310K . The activation energy of this reaction is:

(Assume Activation energy and pre-exponential factor are independent of temperature; ln(2)=0.693; R=8.314 J mol-1K-1)
HARD
JEE Main/Advance
IMPORTANT
N2O5 decomposes to NO2 and O2 follows the first order kinetics. After 50 minutes, the pressure inside the vessel increases from 50 mm Hg to 87.5 mm Hg. The pressure of the gaseous mixture after 100 minutes at constant temperature will be:
MEDIUM
JEE Main/Advance
IMPORTANT
For a first order reaction, AP, t12 (half-life) is 10 days. The time required for 1th4 conversion of A (in days) is: ln2=0.693,ln3=1.1
EASY
JEE Main/Advance
IMPORTANT
If 50 % of a reaction occurs in 100 second and 75 % of the reaction occurs in 200 second, the order of this reaction is: