1) ch3-сh2-> ch3-ch=ch2+ h2 (условия: t, ni)2) ch3-ch=ch2+ > ch3-ch-ch3
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cl3) ch3-ch-ch3+ koh(> ch3-ch-ch3+ kcl
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cl oh
4) 2 ch3-ch-> ch3-ch--o--ch--ch3+ 2h2o (условия: t< 140, h2so4)
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oh ch3 ch3
5) ch3-ch--o--ch--ch3 + > ch3-ch-ch3+ ch3-ch-ch3
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ch3 ch3 oh i
Так а фотку можно? Или нет?