а) 2CH3COCH3 + 5PbO + 6H2SO4 -> 2(CH3)2CO + 5PbSO4 + 6H2O
б) CH3CHO + 2H2 -> CH3CH2OH
в) CH3CH2CH(CH3)CHO + 2H2 -> CH3CH2CH(CH3)CH2OH
а) 2CH3COCH3 + 5PbO + 6H2SO4 -> 2(CH3)2CO + 5PbSO4 + 6H2O
б) CH3CHO + 2H2 -> CH3CH2OH
в) CH3CH2CH(CH3)CHO + 2H2 -> CH3CH2CH(CH3)CH2OH