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Identify the compounds in the following.
C₂H₅Br xrightarrowKCN [A] xrightarrow[[4H]]LiAlH₄ [B] xrightarrow[0°-5°C]HNO₂ [C]
$\text{C}_2\text{H}_5\text{Br} \xrightarrow{\text{KCN}} [\text{A}] \xrightarrow[\text{[4H]}]{\text{LiAlH}_4} [\text{B}] \xrightarrow[0^\circ-5^\circ\text{C}]{\text{HNO}_2} [\text{C}]$
Answer
Answer
Equations: $\mathrm{C_{2}H_{5}Br} + \mathrm{KCN} \longrightarrow \mathrm{C_{2}H_{5}CN} + \mathrm{KBr}$ $\mathrm{C_{2}H_{5}CN} + 4\mathrm{[H]} \xrightarrow{\mathrm{LiAlH_{4}}} \mathrm{C_{3}H_{7}NH_{2}}$ $\mathrm{C_{3}H_{7}NH_{2}} + \mathrm{HNO_{2}} \xrightarrow{\text{273-278}\text{ }\text{K}} \mathrm{C_{3}H_{7}OH} + \mathrm{N_{2}} + \mathrm{H_{2}O}$
A - propanenitrile: CH3CH2CN
B - propan-1-amine: CH3CH2CH2NH2
C - propan-1-ol: CH3CH2CH2OH
[A] propanenitrile; [B] propan-1-amine; [C] propan-1-ol (with evolution of $\mathrm{N_2}$).