1
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
A reaction is 50% complete in 2 hours and 75% complete in 4 hours. The order of reaction is
A
1
B
2
C
3
D
0
2
NEET 2013
MCQ (Single Correct Answer)
+4
-1
What is the activation energy for a reaction if its rate doubles when the temperature is raised from 20oC to 35oC?
(R = 8.314 J mol$$-$$1 K$$-$$1)
A
34.7 kJ mol$$-$$1
B
15.1 kJ mol$$-$$1
C
342 kJ mol$$-$$1
D
269 kJ mol$$-$$1
3
AIPMT 2012 Prelims
MCQ (Single Correct Answer)
+4
-1
In a reaction, A + B $$ \to $$ product, rate is doubled when the concentration of B is doubled, and rate increases by a factor of 8 when the concentration of both the reactants (A and B) are doubled, rate law for the reaction can be written as
A
rate = k[A][B]2
B
rate = k[A]2[B]2
C
rate = k[A][B]
D
rate = k[A]2[B]
4
AIPMT 2012 Prelims
MCQ (Single Correct Answer)
+4
-1
In a zero-order reaction, for every 10oC rise of temperature, the rate is doubled. If the temperature is increased from 10oC to 100oC, the rate of the reaction will become
A
256 times
B
512 times
C
64 times
D
128 times
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