Довести амфотернисть сполук: 1.Zn(OH)2+HNO3 ➪ 2. Zn(OH)2+NaOH ➪
3. ZnO+H2S➪
4.ZnO+Ba(OH)2
5.Cr(OH)3+H2SO4➪
6. Cr(OH)3+KOH➪
7.Cr2O3+HCI➪
8.Cr2O3+NaOH➪
9.Sn(OH)2+LiOH➪
10.Sn(OH)2+HNO3➪
11.SnO+KOH➪
12.SnO+H2SO3➪

Question

Химия: Довести амфотернисть сполук: 1.Zn(OH)2+HNO3 ➪ 2. Zn(OH)2+NaOH ➪ 3. ZnO+H2S➪ 4.ZnO+Ba(OH)2 5.Cr(OH)3+H2SO4➪ 6. Cr(OH)3+KOH➪ 7.Cr2O3+HCI➪ 8.Cr2O3+NaOH➪ 9.Sn(OH)2+LiOH➪ 10.Sn(OH)2+HNO3➪ 11.SnO+KOH➪ 12.SnO+H2SO3➪

olzhabekzhazira · Answer

Be(OH)2 + 2HCl → BeCl2 + 2H2O Zn(OH)2 + 2 HCl → ZnCl2+ 2 H2O ZnO + 2 HCl → ZnCl2 + H2O 2Cr(OH)3 + 3H2SO4 → Cr2(SO4)3 + 6H2O Sn(OH)2 + LiOH = SnOH + Li(OH)2 SnO + 2KOH = K2SnO2 + H2O...