MCQ
Molecular formula of amyl alcohol is
- A${C_7}{H_{14}}O$
- B${C_6}{H_{13}}O$
- ✓${C_5}{H_{12}}O$
- D${C_5}{H_{10}}O$
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$C{H_3}CN\xrightarrow{{Na/{C_2}{H_5}OH}}A\xrightarrow{{HN{O_2}}}B\xrightarrow{{{\text{copper}}}}C$
$CH_3-CH=O + C_6H_5-CH=O$ $\xrightarrow[\Delta ]{{\mathop O\limits^\Theta H(aq)}}$ $\mathop X\limits_{({C_4}{H_6}O)} $ $+$ $\mathop Y\limits_{({C_9}{H_8}O)} $
$2 \mathrm{~A}_{(\mathrm{g})}+\mathrm{B}_{(\mathrm{g})} \rightarrow \mathrm{C}_{(\mathrm{g})}$
The initial rate of the reaction is recorded as $r_1$ when the reaction starts with $1.5 \mathrm{~atm}$ pressure of $\mathrm{A}$ and $0.7 \mathrm{~atm}$ pressure of B. After some time, the rate $r_2$ is recorded when the pressure of $C$ becomes $0.5 \mathrm{~atm}$. The ratio $r_1: r_2$ is $\qquad$ $\times 10^{-1}$.
(Nearest integer)