1
MHT CET 2021 20th September Evening Shift
+1
-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 $$\frac{\mathrm{d}[\mathrm{NOCl}]}{\mathrm{dt}}$$ ?

A
$$\frac{\mathrm{d}[\mathrm{NO}]}{\mathrm{dt}}=2 \frac{\mathrm{d}[\mathrm{NOCl}]}{\mathrm{dt}}$$
B
$$\frac{\mathrm{d}[\mathrm{NO}]}{\mathrm{dt}}=\frac{\mathrm{d}[\mathrm{NOCl}]}{\mathrm{dt}}$$
C
$$\frac{1}{4} \frac{\mathrm{d}[\mathrm{NO}]}{\mathrm{dt}}=\frac{\mathrm{d}[\mathrm{NOCl}]}{\mathrm{dt}}$$
D
$$4 \frac{\mathrm{d}[\mathrm{NO}]}{\mathrm{dt}}=\frac{\mathrm{d}[\mathrm{NOCl}]}{\mathrm{dt}}$$
2
MHT CET 2021 20th September Evening Shift
+1
-0

In a first order reaction concentration of reactant decreases from 20 m mol to 10 m mol in 1.151 min. What is rate constant?

A
1.15 min$$^{-1}$$
B
3.0 min$$^{-1}$$
C
5.50 min$$^{-1}$$
D
0.60 min$$^{-1}$$
3
MHT CET 2021 20th September Evening Shift
+1
-0

Which type of reaction order is followed by radioactive processes?

A
0
B
1
C
2
D
1.5
4
MHT CET 2021 20th September Morning Shift
+1
-0

For the reaction, $$3 \mathrm{I}_{(\mathrm{aq})}^{-}+\mathrm{S}_2 \mathrm{O}_{8(\mathrm{aq})}^{2-} \longrightarrow \mathrm{I}_{3(\mathrm{aq})}^{-}+2 \mathrm{SO}_{4(\mathrm{aq})}^{2-}$$, rate of formation of $$\mathrm{SO}_4^{2-}$$ is $$0.022 \mathrm{~mol} \mathrm{dm}^{-3} \mathrm{sec}^{-1}$$. What is rate of formation of $$\mathrm{I}_{3(\mathrm{aq})}^{-}$$ ?

A
$$0.022 \mathrm{~mol} ~\mathrm{dm}^{-3} \mathrm{sec}^{-1}$$
B
$$0.11 \mathrm{~mol} ~\mathrm{dm}^{-3} \mathrm{sec}^{-1}$$
C
$$0.011 \mathrm{~mol} ~\mathrm{dm}^{-3} \mathrm{sec}^{-1}$$
D
$$0.033 \mathrm{~mol} ~\mathrm{dm}^{-3} \mathrm{sec}^{-1}$$
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Physics
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Optics
Electromagnetism
Modern Physics
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Inorganic Chemistry
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