1
JEE Main 2019 (Online) 9th January Evening Slot
+4
-1
For the reaction, 2A + B $$\to$$ products, when the concentrations of A and B both were doubled, the rate of the reaction increased from 0.3 mol L$$-$$1s$$-$$1 to 2.4 mol L$$-$$1s$$-$$1. When the concentration of A alone is doubled, the rate increased from 0.3 mol L$$-$$1s$$-$$1 to 0.6 mol L$$-$$1s$$-$$1.
A
Total order of the reaction is 4
B
Order of the reaction with respect to B is 2
C
Order of the reaction with respect to B is 1
D
Order of the reaction with respect to A is 2
2
JEE Main 2019 (Online) 9th January Evening Slot
+4
-1
Consider the following reversible chemical reactions :

The relation between K1 and K2 is :
A
K1K2 = $${1 \over 3}$$
B
K2 = K13
C
K2 = K1$$-$$3
D
K1K2 = 3
3
JEE Main 2019 (Online) 9th January Morning Slot
+4
-1
The following results were obtained during kinetic studies of the reaction ;
2A + B $$\to$$ Products

Experiment [A] (in mol L$$-$$1) [b] (in mol L$$-$$1) Initial Rate of reaction
(In mol L$$-$$1 min$$-$$1)
I 0.10 0.20 6.93 G 10$$-$$3
II 0.10 0.25 6.93 G 10$$-$$3
III 0.20 0.30 1.386 G 10$$-$$2

The time (in minutes) required to consume half of A is :
A
5
B
10
C
1
D
100
4
JEE Main 2018 (Online) 16th April Morning Slot
+4
-1
If 50% of a reaction occurs in 100 second and 75% of the reaction occurs in 200 secod, the order of this reaction is :
A
Zero
B
1
C
2
D
3
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