2/.
a) acid 3-metilbutanoic
b) acid 3-butenoic,
c) = cu b)
d) acid etanoic (acetic)
e) acid metanoic (formic)
f) acid 2-metilpropanoic (izopropionic)
3/.
a) --> (HCOO)2Ca + 2H2O
b) --> (CH3CH2COO)2Zn + H2
c) <==> HCOOCH2CH3 + H2O
d) --> CH3CH2COONH4
e) --> CH3CH2COONa + H2O + CO2
f) <==> CH3CH2CH2COOCH2CH3 + H2O
