1
MHT CET 2021 21th September Evening Shift
+1
-0

What is the rate of disappearance of B in following reaction? $$2 \mathrm{A}+\mathrm{B} \rightarrow 3 \mathrm{C}$$, if rate of appearance of $$\mathrm{C}$$ is $$1.3 \times 10^{-4} \mathrm{~mol} \mathrm{~L}^{-1} \mathrm{~s}^{-1}$$.

A
$$4.33 \times 10^{-5} \mathrm{~mol} \mathrm{~L}^{-1} \mathrm{~s}^{-1}$$
B
$$8.6 \times 10^{-5} \mathrm{~mol} \mathrm{~L}^{-1} \mathrm{~s}^{-1}$$
C
$$2.6 \times 10^{-4} \mathrm{~mol} \mathrm{~L}^{-1} \mathrm{~s}^{-1}$$
D
$$5.2 \times 10^{-5} \mathrm{~mol} \mathrm{~L}^{-1} \mathrm{~s}^{-1}$$
2
MHT CET 2021 21th September Morning Shift
+1
-0

What is the rate of appearance of $$\mathrm{Z}$$ in following reaction? $$3 \mathrm{x} \rightarrow 2 \mathrm{y}+\mathrm{z}$$, if rate of disappearance of $$\mathrm{x}$$ is $$0.072 \mathrm{~mol} \mathrm{~s}^{-1}$$

A
$$0.072 \mathrm{~mol} \mathrm{~s}^{-1}$$
B
$$0.048 \mathrm{~mol} \mathrm{~s}^{-1}$$
C
$$0.024 \mathrm{~mol} \mathrm{~s}^{-1}$$
D
$$0.096 \mathrm{~mol} \mathrm{~s}^{-1}$$
3
MHT CET 2021 21th September Morning Shift
+1
-0

Slope of the graph between rate ( $$\mathrm{Y}$$-axis) and $$[\mathrm{A}](\mathrm{X}$$-axis) for the first order reaction is equal to

A
$$\mathrm{k}$$
B
$$\frac{2.303}{\mathrm{k}}$$
C
$$\frac{\mathrm{k}}{2.303}$$
D
$$-\mathrm{k}$$
4
MHT CET 2021 21th September Morning Shift
+1
-0

In a first order reaction, concentration of reactant is reduced to (1/8)th of concentration in 23.03 minutes. What is half-life period of reaction?

A
25 min
B
7.7 min
C
15 min
D
30 min
MHT CET Subjects
Physics
Mechanics
Optics
Electromagnetism
Modern Physics
Chemistry
Physical Chemistry
Inorganic Chemistry
Organic Chemistry
Mathematics
Algebra
Trigonometry
Calculus
Coordinate Geometry
EXAM MAP
Joint Entrance Examination