Реакции. 1. ch2=ch-cooh + mg => ? 2. ch2=ch-cooh + bao => ? 3. ch2=ch-cooh + koh => ? 4. ch2=ch-cooh + ch3oh => (h2so4) ? .

1. 2CH2=CH-COOH + Mg = (CH2=CH-COO)2Mg+H2
2. 2CH2=CH-COOH + BaO = (CH2=CH-COO)2Ba+H2O
3. CH2=CH-COOH + KOH = CH2=CH-COOK+H2O
4. CH2=CH-COOH + CH3OH =(H2SO4)= CH2=CH-COOCH3+H2O