1. Z podanych tlenków wybierz te które reagują z wodą i napisz ich reakcje: FeO, Cu2O, K2O, AgO, N2O.... Question from @asia12162

October 2018 1 53 Report

1. Z podanych tlenków wybierz te które reagują z wodą i napisz ich reakcje: FeO, Cu2O, K2O, AgO, N2O5, V2O5, Mn2O7, SrO, ZnO, Rb2O, Cl2O3, NO

2. Napisz równania reakcji otrzymywania :

BaCO3, KOH, Cu(OH)2, K2SO4, FeCl2, ZnO

kepasa

zad.1

Z wodą reagują:

*K₂O

$K_2O+H_2O-->2KOH$

*N₂O₅

$N_2O_5+H_2O-->2HNO_3$

*Mn₂O₇

$Mn_2O_7+H_2O-->2HMnO_4$

*SrO

$SrO+H_2O-->Sr(OH)_2$

*Rb₂O

$Rb_2O+H_2O-->2RbOH$

*Cl₂O₃

$Cl_2O_3+H_2O-->2HClO_2$

Pozostałe z wodą nie reagują.

zad.2

BaCO₃

$BaCl_2+Na_2CO_3-->BaCO_3\downarrow+2NaCl$

KOH

$2K+2H_2O-->2KOH+H_2\uparrow$

Cu(OH)₂

$CuSO_4+2NaOH-->Cu(OH)_2\downarrow+Na_2SO_4$

K₂SO₄

$K_2CO_3+H_2SO_4-->K_2SO_4+CO_2\uparrow+H_2O$

FeCl₂

$Fe+2HCl-->FeCl_2+H_2\uparrow$

ZnO

$2Zn+O_2-->2ZnO$

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