Задание
Дополни схемы реакций:
1.\(CH_{3}OH + CuO \xrightarrow{\hspace{0.147em} t}\)
.
2. \(HCHO + H_2 \xrightarrow{Ni,\, t}\)
.
3.\(CH_{3}CH_{2}CHO + H_{2} \xrightarrow{Ni^{2+}, \, \, t}\)
.
Варианты ответов:
\[HCHO + Cu + H_{2}O\]
\[CH_{2}=CH_{2}+CuO\]
\[CH_{3}OH\]
\[CH_{3}CH_{2}CH_{2}OH\]
\[CH_{3}CH_{2}OCH_{3} + H_{2}O\]