Question

75 баллов за решениееее

Answer 1

1. Cr + Cl2 = CrCl2
2CrCl2 + Cl2 = 2CrCl3
CrCl3 + 3LiOH = Cr(OH)3 + 3LiCl
2. 2Cr + 3H2SO4 = Cr2(SO4)3 + 3H2
Cr2(SO4)3 + 6KOH = 2Cr(OH)3 + 3K2SO4
2Cr(OH)3 + NaOH = Na[Cr2(OH)6]