Question

помогите решить ВТОРУЮ цепочку​

Answer 1

1. H3C-CH2-CH3 (t,Pt)= H2C=CH-CH3 + H2

2. H2C=CH-CH3 + Br2 = H2CBr-CHBr-CH3

3. H2CBr-CHBr-CH3 + 2NaOH(спирт.)= 2NaBr + 2H2O + C3H4

4. 3C3H4 (t,kat)= C6H3(CH3)3

5. 5C6H3(CH3)3 + 27H2SO4 + 18KMnO4 = 5C6H3(COOH)3 + 9K2SO4 + 18MnSO4 + 42H2O