1

JEE Main 2020 (Online) 6th September Morning Slot

MCQ (Single Correct Answer)

+4

-1

Consider the following reactions

A $$ \to $$ P

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

Among the following, the correct sequence for the order of the reactions is :

A $$ \to $$ P

_{1}; B $$ \to $$ P_{2}; C $$ \to $$ P_{3}; D $$ \to $$ P_{4},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

Among the following, the correct sequence for the order of the reactions is :

2

JEE Main 2020 (Online) 5th September Evening Slot

MCQ (Single Correct Answer)

+4

-1

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

(R is gas constant)

^{–1}is :(R is gas constant)

3

JEE Main 2020 (Online) 5th September Morning Slot

MCQ (Single Correct Answer)

+4

-1

A flask contains a mixture of compounds A and
B. Both compounds decompose by first-order
kinetics. The half-lives for A and B are 300 s
and 180 s, respectively. If the concentrations
of A and B are equal initially, the time required
for the concentration of A to be four times that
of B(in s) :

(Use ln 2 = 0.693)

(Use ln 2 = 0.693)

4

JEE Main 2020 (Online) 3rd September Evening Slot

MCQ (Single Correct Answer)

+4

-1

For the reaction

2A + 3B + $${3 \over 2}$$C $$ \to $$ 3P, which statement is correct ?

2A + 3B + $${3 \over 2}$$C $$ \to $$ 3P, which statement is correct ?

Questions Asked from Chemical Kinetics and Nuclear Chemistry (MCQ (Single Correct Answer))

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