Предмет: Химия, автор: 1OльGA1

3. Из приведенного списка выберите реакции разложения:
1) K2O +H2O → KOH
2) HNO3 + Mg → Mg(NO3)2 + H2
3) H2S + O2 → S + H2O
4) CoO → Co + O2
5) H2 + Cl2 → HCl
6) Ni(OH)3 → Ni2O3 + H2O
Выпишите реакции под нужными номерами (2) и расставьте коэффициенты.

Ответы

Автор ответа: lizavetonka72

Ответ:

4 и 6

2СоО = 2Со + О2

2Ni(OH)3 = Ni2O3 + 3H2O

Объяснение:

Автор ответа: Alexei78

Ответ:

4) 2CoO → 2Co + O2

6) 2Ni(OH)3 → Ni2O3 + 3H2O

2HNO3 + Mg → Mg(NO3)2 + H2

Объяснение:

Shevenidze: 1 соединение

Shevenidze: 2. Замещение

Shevenidze: 3 замещение

Shevenidze: е 4 разложение

Alexei78: вопрос о разложении, а не о типах реакции.

Shevenidze: Только 4 и 6

Alexei78: да

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