Осуществить превращения: Sn → SnO2 → Sn → SnCl2 → SN(OH)2 → SnO
1.Sn+2H2O= SnO2+H22.SnO2+2Ca=2CaO+Sn3.Sn+2HCl=SnCl2+H2 4.SnCl2+2NaOH=Sn(OH)2 + 2NaCl5.Sn(OH)2=SnO + H2O реакция разложения
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Answers & Comments
1.Sn+2H2O= SnO2+H2
2.SnO2+2Ca=2CaO+Sn
3.Sn+2HCl=SnCl2+H2
4.SnCl2+2NaOH=Sn(OH)2 + 2NaCl
5.Sn(OH)2=SnO + H2O реакция разложения