How will you convert:
$(i)$ Ethanoic acid into methanamine
$(ii)$ Hexanenitrile into $1$-aminopentane
$(iii)$ Methanol to ethanoic acid
$(iv)$ Ethanamine into methanamine
$(v)$ Ethanoic acid into propanoic acid
$(vi)$ Methanamine into ethanamine
$(vii)$ Nitromethane into dimethylamine
$(viii)$ Propanoic acid into ethanoic acid?
$(i)$ Ethanoic acid into methanamine
$(ii)$ Hexanenitrile into $1$-aminopentane
$(iii)$ Methanol to ethanoic acid
$(iv)$ Ethanamine into methanamine
$(v)$ Ethanoic acid into propanoic acid
$(vi)$ Methanamine into ethanamine
$(vii)$ Nitromethane into dimethylamine
$(viii)$ Propanoic acid into ethanoic acid?
(N/A) $(i)$ $\text{CH}_3\text{COOH}$ $\xrightarrow{\text{SOCl}_2} \text{CH}_3\text{COCl}$ $\xrightarrow{\text{NH}_3} \text{CH}_3\text{CONH}_2$ $\xrightarrow{\text{Br}_2/\text{NaOH}} \text{CH}_3\text{NH}_2$
$(ii)$ $\text{C}_5\text{H}_{11}\text{CN}$ $\xrightarrow{\text{H}^+/\text{H}_2\text{O}} \text{C}_5\text{H}_{11}\text{COOH}$ $\xrightarrow{\text{SOCl}_2} \text{C}_5\text{H}_{11}\text{COCl}$ $\xrightarrow{\text{NH}_3} \text{C}_5\text{H}_{11}\text{CONH}_2$ $\xrightarrow{\text{Br}_2/\text{KOH}} \text{C}_5\text{H}_{11}\text{NH}_2$
$(iii)$ $\text{CH}_3\text{OH}$ $\xrightarrow{\text{PCl}_5} \text{CH}_3\text{Cl}$ $\xrightarrow{\text{KCN}} \text{CH}_3\text{CN}$ $\xrightarrow{\text{H}^+/\text{H}_2\text{O}} \text{CH}_3\text{COOH}$
$(iv)$ $\text{CH}_3\text{CH}_2\text{NH}_2$ $\xrightarrow{\text{NaNO}_2/\text{HCl}} \text{CH}_3\text{CH}_2\text{OH}$ $\xrightarrow{\text{KMnO}_4} \text{CH}_3\text{COOH}$ $\xrightarrow{\text{NH}_3, \Delta} \text{CH}_3\text{CONH}_2$ $\xrightarrow{\text{Br}_2/\text{NaOH}} \text{CH}_3\text{NH}_2$
$(v)$ $\text{CH}_3\text{COOH}$ $\xrightarrow{\text{LiAlH}_4} \text{CH}_3\text{CH}_2\text{OH}$ $\xrightarrow{\text{PCl}_5} \text{CH}_3\text{CH}_2\text{Cl}$ $\xrightarrow{\text{KCN}} \text{CH}_3\text{CH}_2\text{CN}$ $\xrightarrow{\text{H}^+/\text{H}_2\text{O}} \text{CH}_3\text{CH}_2\text{COOH}$
$(vi)$ $\text{CH}_3\text{NH}_2$ $\xrightarrow{\text{NaNO}_2/\text{HCl}} \text{CH}_3\text{OH}$ $\xrightarrow{\text{PCl}_5} \text{CH}_3\text{Cl}$ $\xrightarrow{\text{KCN}} \text{CH}_3\text{CN}$ $\xrightarrow{\text{H}_2/\text{Ni}} \text{CH}_3\text{CH}_2\text{NH}_2$
$(vii)$ $\text{CH}_3\text{NO}_2$ $\xrightarrow{\text{Sn/HCl}} \text{CH}_3\text{NH}_2$ $\xrightarrow{\text{CHCl}_3/\text{KOH}} \text{CH}_3\text{NC}$ $\xrightarrow{\text{Na/C}_2\text{H}_5\text{OH}} \text{CH}_3\text{NHCH}_3$
$(viii)$ $\text{CH}_3\text{CH}_2\text{COOH}$ $\xrightarrow{\text{NH}_3, \Delta} \text{CH}_3\text{CH}_2\text{CONH}_2$ $\xrightarrow{\text{Br}_2/\text{KOH}} \text{CH}_3\text{CH}_2\text{NH}_2$ $\xrightarrow{\text{NaNO}_2/\text{HCl}} \text{CH}_3\text{CH}_2\text{OH}$ $\xrightarrow{\text{KMnO}_4} \text{CH}_3\text{COOH}$
$(ii)$ $\text{C}_5\text{H}_{11}\text{CN}$ $\xrightarrow{\text{H}^+/\text{H}_2\text{O}} \text{C}_5\text{H}_{11}\text{COOH}$ $\xrightarrow{\text{SOCl}_2} \text{C}_5\text{H}_{11}\text{COCl}$ $\xrightarrow{\text{NH}_3} \text{C}_5\text{H}_{11}\text{CONH}_2$ $\xrightarrow{\text{Br}_2/\text{KOH}} \text{C}_5\text{H}_{11}\text{NH}_2$
$(iii)$ $\text{CH}_3\text{OH}$ $\xrightarrow{\text{PCl}_5} \text{CH}_3\text{Cl}$ $\xrightarrow{\text{KCN}} \text{CH}_3\text{CN}$ $\xrightarrow{\text{H}^+/\text{H}_2\text{O}} \text{CH}_3\text{COOH}$
$(iv)$ $\text{CH}_3\text{CH}_2\text{NH}_2$ $\xrightarrow{\text{NaNO}_2/\text{HCl}} \text{CH}_3\text{CH}_2\text{OH}$ $\xrightarrow{\text{KMnO}_4} \text{CH}_3\text{COOH}$ $\xrightarrow{\text{NH}_3, \Delta} \text{CH}_3\text{CONH}_2$ $\xrightarrow{\text{Br}_2/\text{NaOH}} \text{CH}_3\text{NH}_2$
$(v)$ $\text{CH}_3\text{COOH}$ $\xrightarrow{\text{LiAlH}_4} \text{CH}_3\text{CH}_2\text{OH}$ $\xrightarrow{\text{PCl}_5} \text{CH}_3\text{CH}_2\text{Cl}$ $\xrightarrow{\text{KCN}} \text{CH}_3\text{CH}_2\text{CN}$ $\xrightarrow{\text{H}^+/\text{H}_2\text{O}} \text{CH}_3\text{CH}_2\text{COOH}$
$(vi)$ $\text{CH}_3\text{NH}_2$ $\xrightarrow{\text{NaNO}_2/\text{HCl}} \text{CH}_3\text{OH}$ $\xrightarrow{\text{PCl}_5} \text{CH}_3\text{Cl}$ $\xrightarrow{\text{KCN}} \text{CH}_3\text{CN}$ $\xrightarrow{\text{H}_2/\text{Ni}} \text{CH}_3\text{CH}_2\text{NH}_2$
$(vii)$ $\text{CH}_3\text{NO}_2$ $\xrightarrow{\text{Sn/HCl}} \text{CH}_3\text{NH}_2$ $\xrightarrow{\text{CHCl}_3/\text{KOH}} \text{CH}_3\text{NC}$ $\xrightarrow{\text{Na/C}_2\text{H}_5\text{OH}} \text{CH}_3\text{NHCH}_3$
$(viii)$ $\text{CH}_3\text{CH}_2\text{COOH}$ $\xrightarrow{\text{NH}_3, \Delta} \text{CH}_3\text{CH}_2\text{CONH}_2$ $\xrightarrow{\text{Br}_2/\text{KOH}} \text{CH}_3\text{CH}_2\text{NH}_2$ $\xrightarrow{\text{NaNO}_2/\text{HCl}} \text{CH}_3\text{CH}_2\text{OH}$ $\xrightarrow{\text{KMnO}_4} \text{CH}_3\text{COOH}$
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