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①CH3CH2Cl+H2O CH3CH2OH+HCl
②CH3COOH+CH3CH2OH CH3COOCH2CH3+H2O
③CH3CH2OH CH2=CH2↑+H2O
④CH3COOCH2CH3+H2O CH3COOH+CH3CH2OH
⑤CH4+Cl2 CH3Cl+HCl
已知:吡啶( )是一种有机碱。
回答下列问题:
已知:RCOOH RCOCl (R-为烃基)。
回答下列问题:。
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