Закончите уравнения реакций:
Ni(OH)2 + Br2 + NaOH

AuCl3 + NaOH ®

Au(OH)3 + KOH

Au(OH)3 + H2SO4

Zn + H3AsO3 + HCl

Zn + KMnO4 + H2SO4

HgCl2 + SnCl2

Hg(NO3)2 + KI(избыток)

AgNO3 + H2O2 + + NaOH

H[AuCl4] + H2O2 + + NaOH

AgNO3 + NH4OH + HCOH

CuCl2 + Cu

CuSO4 + (NH4)2SO4 + 2NH4OH

CuCl + K2Cr2O7 + HCl ® CuCl2 +

CuI2 ->
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