MHT CET 2021 21th September Morning Shift | Chemical Kinetics Question 152 | Chemistry

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 $$0.072 \mathrm{~mol} \mathrm{~s}^{-1}$$

$$0.072 \mathrm{~mol} \mathrm{~s}^{-1}$$

$$0.048 \mathrm{~mol} \mathrm{~s}^{-1}$$

$$0.024 \mathrm{~mol} \mathrm{~s}^{-1}$$

$$0.096 \mathrm{~mol} \mathrm{~s}^{-1}$$

MHT CET 2021 21th September Morning Shift

MCQ (Single Correct Answer)

-0

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

$$\mathrm{k}$$

$$\frac{2.303}{\mathrm{k}}$$

$$\frac{\mathrm{k}}{2.303}$$

$$-\mathrm{k}$$

MHT CET 2021 21th September Morning Shift

MCQ (Single Correct Answer)

-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?

25 min

7.7 min

15 min

30 min

MHT CET 2021 20th September Evening Shift

MCQ (Single Correct Answer)

-0

For the reaction $$2 \mathrm{NO}+\mathrm{Cl}_2 \rightarrow 2 \mathrm{NOCl}$$

What is the relation between $$\frac{\mathrm{d}[\mathrm{NO}]}{\mathrm{dt}}$$ and $$\frac{\mathrm{d}[\mathrm{NOCl}]}{\mathrm{dt}}$$ ?

$$\frac{\mathrm{d}[\mathrm{NO}]}{\mathrm{dt}}=2 \frac{\mathrm{d}[\mathrm{NOCl}]}{\mathrm{dt}}$$

$$\frac{\mathrm{d}[\mathrm{NO}]}{\mathrm{dt}}=\frac{\mathrm{d}[\mathrm{NOCl}]}{\mathrm{dt}}$$

$$\frac{1}{4} \frac{\mathrm{d}[\mathrm{NO}]}{\mathrm{dt}}=\frac{\mathrm{d}[\mathrm{NOCl}]}{\mathrm{dt}}$$

$$4 \frac{\mathrm{d}[\mathrm{NO}]}{\mathrm{dt}}=\frac{\mathrm{d}[\mathrm{NOCl}]}{\mathrm{dt}}$$

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