CuCl2 + Cr = CrCl2 + Cu
CrCl2 + 2NaOH = Cr(OH)2 + 2NaCl
2Cr(OH)2 + H2O2 = 2Cr(OH)3
Cr(OH)3 + 3HNO3 = Cr(NO3)3 + 3H2O
Cr(NO3)3 + 3NaOH = Cr(OH)3 + 3NaNO3
Cr(OH)3 + 3KOH = K3[Cr(OH)6]
K3[Cr(OH)6] + 6HCl = 3KCl + Cr(OH)3 + 6H2O
Cr(OH)3 + 3HCl = CrCl3 + 3H2O
2CrCl3 + 3K2SO4 = Cr2(SO4)3 + 6KCl
Cr2(SO4)3 + 6NaOH = 2Cr(OH)3 +3 Na2SO4
Cr(OH)3 + 3HCl = CrCl3 + 3H2O