Đáp án:
Giải thích các bước giải:
Câu 1:
$C{H_3} - C{H_2} - C{H_2} - COOH:{\text{axit butanoic}}$
$C{H_3} - \mathop {CH}\limits_{\mathop {C{H_3}}\limits^| } - COOH:{\text{axit metyl propanoic}}$
Câu 2:
$HCOOH:{\text{ axit fomic}}$
$C{H_3}COOH:{\text{ axit axetic}}$
$C{H_3}C{H_2}COOH:{\text{ axit propionic}}$
$C{H_2} = CHCOOH:{\text{ axit acrylic}}$
$C{H_2} = C(C{H_3})COOH:{\text{ axit metacrylic}}$
$HOOC - COOH:{\text{ axit oxalic}}$
