1
AIEEE 2006
MCQ (Single Correct Answer)
+4
-1
Rate of a reaction can be expressed by Arrhenius equation as:
$$$k = A\,{e^{ - E/RT}}$$$ In this equation, E represents
A
the energy above which all the colliding molecules will react
B
the energy below which colliding molecules will not react
C
the total energy of the reacting molecules at a temperature, T
D
the fraction of molecules with energy greater than the activation energy of the reaction
2
AIEEE 2006
MCQ (Single Correct Answer)
+4
-1
The following mechanism has been proposed for the reaction of NO with Br2 to form NOBr:
NO(g) + Br2 (g) $$\leftrightharpoons$$ NOBr2 (g)
NOBr2 (g) + NO (g) $$\to$$ 2NOBr (g)
If the second step is the rate determining step, the order of the reaction with respect to NO(g) is
A
1
B
0
C
3
D
2
3
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
Hydrogen bomb is based on the principle of
A
Nuclear fission
B
Natural radioactivity
C
Nuclear fusion
D
Artificial radioactivity
4
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
A reaction involving two different reactants can never be
A
Unimolecular reaction
B
First order reaction
C
second order reaction
D
Bimolecular reaction
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