Предмет: Химия, автор: nokibo

Здійсни перетворення відповідно ланцюжкам. Вкажи типи реакцій

KMnO4 - O2 - H2O - ZnO - Zn(NO3)2

Ответы

Автор ответа: Lizzie2018

2

$\boxed{\bf KMnO_4 \to O_2 \to H_2O \to ZnO \to Zn(NO_3)_2}$
(1) 2KMnO₄ ⇒ K₂MnO₄ + MnO₂ + O₂ реакция разложения.
(2) 2H₂ + O₂ ⇒ 2H₂O реакция соединения.
(3) Zn + H₂O ⇒ ZnO + H₂ реакция замещения.
(4) ZnO + 2HNO₃ ⇒ Zn(NO₃)₂ + H₂O реакция обмена.

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