1
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0

For the reaction 2N$$_2$$O$$_5$$ $$\to$$ 4NO$$_2$$ + O$$_2$$, rate constant $$k$$ is 4.48 $$\times$$ 10$$^{-5}$$ s$$^{-1}$$ and the initial pressure is 600 atm. After 10 min, determine the final pressure of N$$_2$$O$$_5$$.

A
590 atm
B
490 atm
C
588 atm
D
580 atm
2
COMEDK 2020
MCQ (Single Correct Answer)
+1
-0

Which one of the following is a second order reaction?

A
$$C{H_3}COOC{H_3} + NaOH\buildrel {} \over \longrightarrow C{H_3}COONa + {H_2}O$$
B
$${H_2} + C{l_2}\buildrel {Sunlight} \over \longrightarrow 2HCl$$
C
$$N{H_4}N{O_3}\buildrel {} \over \longrightarrow {N_2} + 3{H_2}O$$
D
$${H_2} + B{r_2}\buildrel {} \over \longrightarrow 2HBr$$
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