1
JEE Main 2022 (Online) 24th June Evening Shift
+4
-1

For a first order reaction, the time required for completion of 90% reaction is 'x' times the half life of the reaction. The value of 'x' is

(Given : ln 10 = 2.303 and log 2 = 0.3010)

A
1.12
B
2.43
C
3.32
D
33.31
2
JEE Main 2021 (Online) 1st September Evening Shift
+4
-1
Which one of the following given graphs represents the variation of rate constant (k) with temperature (T) for an endothermic reaction?
A
B
C
D
3
JEE Main 2021 (Online) 27th July Morning Shift
+4
-1
For a reaction of order n, the unit of the rate constant is :
A
mol1$$-$$n L1$$-$$n s
B
mol1$$-$$n L2n s$$-$$1
C
mol1$$-$$n Ln$$-$$1 s$$-$$1
D
mol1$$-$$n L1$$-$$n s$$-$$1
4
JEE Main 2021 (Online) 25th July Morning Shift
+4
-1
For the following graphs,

Choose from the options given below, the correct one regarding order of reaction is :
A
(b) Zero order (c) and (e) First order
B
(a) and (b) Zero order (e) First order
C
(b) and (d) Zero order (e) First order
D
(a) and (b) Zero order (c) and (e) First order
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