1
JEE Main 2021 (Online) 25th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
For the following graphs,

JEE Main 2021 (Online) 25th July Morning Shift Chemistry - Chemical Kinetics and Nuclear Chemistry Question 78 English
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
2
JEE Main 2021 (Online) 22th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Isotope(s) of hydrogen which emits low energy $$\beta$$$$-$$ particles with t1/2 value > 12 years is/are
A
Protium
B
Tritium
C
Deuterium
D
Deuterium and Tritium
3
JEE Main 2020 (Online) 6th September Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Consider the following reactions

A $$ \to $$ P1 ; B $$ \to $$ P2 ; C $$ \to $$ P3 ; D $$ \to $$ P4,

The order of the above reactions are a, b, c, and d, respectively. The following graph is obtained when log[rate] vs. log[conc.] are plotted JEE Main 2020 (Online) 6th September Morning Slot Chemistry - Chemical Kinetics and Nuclear Chemistry Question 95 English
Among the following, the correct sequence for the order of the reactions is :
A
d > b > a > c
B
d > a > b > c
C
a > b > c > d
D
c > a > b > d
4
JEE Main 2020 (Online) 5th September Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The rate constant (k) of a reaction is measured at differenct temperatures (T), and the data are plotted in the given figure. The activation energy of the reaction in kJ mol–1 is :
(R is gas constant) JEE Main 2020 (Online) 5th September Evening Slot Chemistry - Chemical Kinetics and Nuclear Chemistry Question 96 English
A
R
B
2R
C
$${1 \over R}$$
D
$${1 \over {2R}}$$
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