1
KCET 2019
MCQ (Single Correct Answer)
+1
-0

1L of $$2 \mathrm{M~CH}_3 \mathrm{COOH}$$ is mixed with 1L of $$3 \mathrm{M} \mathrm{~C}_2 \mathrm{H}_5 \mathrm{OH}$$ to form an ester. The rate of the reaction with respect to the initial rate when each solution is diluted with an equal volume of water will be

A
0.25 times
B
2 times
C
0.5 times
D
4 times
2
KCET 2018
MCQ (Single Correct Answer)
+1
-0
For the reaction, $2 \mathrm{SO}_2+\mathrm{O}_2 \rightleftharpoons 2 \mathrm{SO}_3$, the rate of disappearance of $\mathrm{O}_2$ is $2 \times 10^{-4} \mathrm{~mol} \mathrm{~L}^{-1} \mathrm{~s}^{-1}$. The rate of appearance of $\mathrm{SO}_3$ is
A
$2 \times 10^{-4} \mathrm{~mol} \mathrm{~L}^{-1} \mathrm{~s}^{-1}$
B
$4 \times 10^{-4} \mathrm{~mol} \mathrm{~L}^{-1} \mathrm{~s}^{-1}$
C
$1 \times 10^{-1} \mathrm{~mol} \mathrm{~L}^{-1} \mathrm{~s}^{-1}$
D
$6 \times 10^{-4} \mathrm{molLL}^{-1} \mathrm{~s}^{-1}$
3
KCET 2018
MCQ (Single Correct Answer)
+1
-0
The temperature coefficient of a reaction is 2. When the temperature is increased from $30^{\circ} \mathrm{C}$ to $90^{\circ} \mathrm{C}$, the rate of saction is increased by
A
150 times
B
410 times
C
72 times
D
64 times
4
KCET 2018
MCQ (Single Correct Answer)
+1
-0
The value of rate constant of a pseudo first order reaction
A
depends only on temperature
B
depends on the concentration of reactants present in small amounts
C
depends on the concentration of reactants present in excess
D
is independent of the concentration of reactants
KCET Subjects
EXAM MAP