CH3CHO+Cu(OH)2 --> CH3COOH+Al(OH)3 --> HCOOH+ZnO --->

Question

CH3CHO+Cu(OH)2 -->
CH3COOH+Al(OH)3 -->
HCOOH+ZnO --->

Answer 1

СH3-CHO + 2Cu(OH)2 → CH3-COOH + Cu2O + 2H2O
3CH3-COOH + Al(OH)3 → (CH3-COO)3Al + 3H2O
HCCOOH + ZnO → (HCOO)2Zn + H2O