1
IIT-JEE 2010 Paper 1 Offline
MCQ (Single Correct Answer)
+3
-1

Plots showing the variation of the rate constant ($$k$$) with temperature ($$T$$) are given below. The point that follows Arrhenius equation is

A
IIT-JEE 2010 Paper 1 Offline Chemistry - Chemical Kinetics and Nuclear Chemistry Question 6 English Option 1
B
IIT-JEE 2010 Paper 1 Offline Chemistry - Chemical Kinetics and Nuclear Chemistry Question 6 English Option 2
C
IIT-JEE 2010 Paper 1 Offline Chemistry - Chemical Kinetics and Nuclear Chemistry Question 6 English Option 3
D
IIT-JEE 2010 Paper 1 Offline Chemistry - Chemical Kinetics and Nuclear Chemistry Question 6 English Option 4
2
IIT-JEE 2009 Paper 2 Offline
MCQ (Single Correct Answer)
+3
-1

For a first-order reaction A $$\to$$ P, the temperature (T) dependent rate constant (k) was found to follow the equation $$\log k = - (2000){1 \over T} + 6.0$$. The pre-exponential factor A and activation energy $$E_a$$, respectively, are

A
$$1.0\times10^6~\mathrm{s^{-1}}$$ and 9.2 kJ mol$$^{-1}$$
B
$$6.0~\mathrm{s^{-1}}$$ and 16.6 kJ mol$$^{-1}$$
C
$$1.0\times10^6~\mathrm{s^{-1}}$$ and 16.6 kJ mol$$^{-1}$$
D
$$1.0\times10^6~\mathrm{s^{-1}}$$ and 38.3 kJ mol$$^{-1}$$
3
IIT-JEE 2008 Paper 1 Offline
MCQ (Single Correct Answer)
+3
-1

Under the same reaction conditions, initial concentration of 1.386 mol dm$$^{-3}$$ of a substance becomes half in 40 seconds and 20 seconds through first order and zero order kinetics, respectively. Ratio $$\left( {{{{k_1}} \over {{k_0}}}} \right)$$ of the rate constants for first order ($$k_1$$) and zero order ($$k_0$$) of the reactions is:

A
0.5 mol$$^{-1}$$ dm$$^3$$
B
1.0 mol dm$$^{-3}$$
C
1.5 mol dm$$^{-3}$$
D
2.0 mol$$^{-1}$$ dm$$^3$$
4
IIT-JEE 2007 Paper 2 Offline
MCQ (Single Correct Answer)
+3
-1
Consider a reaction aG + bH $$\to$$ Products. When concentration of both the reactants G and H is doubled, the rate increases by eight times. However, when concentration of G is doubled keeping the concentration of H fixed, the rate is doubled. The overall order of the reaction is
A
0
B
1
C
2
D
3
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