I. a) 2 CH3-COOH + CaO = (CH3-COO-)2Ca + 2 H2O
b) 2 CH3-COOH + Ca = (CH3-COO-)2Ca + 2 H2
c) 2 CH3-COOH + Zn(OH)2 = Zn(CH3-COO-)2 + 2 H2O
d) 2 CH3-COOH + Na2CO3 = 2 CH3-COONa + CO2 + H2O
e) CH3-COOH + CH3-OH = CH3-COO-CH3 + H2O
II. a) CH3-(CH2)4-COOH
b) CH3-CH2-CH2-CH(CH3)-COOH
c) CH3-(CH2)14-COOH
d) CH3-(CH2)16-COOH