H-c-oh+na

H-c-oh+cao

H-c-h+ch3-ch2-ch2-ch.

Радикалы.

1) HCOOH+Na=HCOONa+H22) 2HCOOH+CaO=(HCOO)2Ca+H23)HCOOH+C4H10=H-C-CH-CH2-CH2-CH3+H2двойная связь с (С) O