C2aH3aO0,5a
nH = (2n-2)C 3a = 4a - 2 a = 2 (C4H6O)n M = 2,5·28 = 70
(4·12 + 6·1+1·16)n = 70 n = 1 C4H6O NE = 2
(A) CH2=C(CH3)-CH2=O + 5[O] ⇒ CH3-CO-COOH + CO2 + H2O
(B) CH3-CO-CH=CH2 + 5[O] ⇒ CH3-CO-COOH + CO2 + H2O
A = 2 metil propenal
B = metil-vinil-cetona