Question

a) Br₂ → HBr → MgBr₂ AgBr; 2 6) AI→ AICI3 → Al(OH)3 → Na3AIO3 → Al₂(SO4)3;​

Answer 1

H2+Br2=2HBr
2HBr+Mg(OH)2=Mgbr2+ 2H2O
MgBr2 + AgNO3 = AgBr + Mg(NO3)2

2Al+ 6Hcl=2AlCl3+3H2
AlCl3+3KOH=Al(OH)3+3KCl
Al2O3 + 6 NaOH = 2 Na3AlO3 + 3 H2O