Write the reaction equation: Zn-ZnO-ZnSo4-Zn (OH) 2-ZnCl2-Zn (OH) 2-ZnO-Zn

univerkov | April 5, 2021 | education

1.2Zn + O2 = 2ZnO.
Zinc combustion in an oxygen stream, t = 225 ° C.
2. ZnO + H2SO4 = ZnSO4 + H2O.
Reacts with sulfuric acid to form zinc salt.
3. ZnSO4 + 2NaOH = Zn (OH) 2 + Na2SO4.
The reaction of a salt with an alkali to form zinc hydroxide.
4. Zn (OH) 2 + 2HCl = ZnCl2 + 2H2O.
Reaction with hydrochloric acid.
5. ZnCl2 + 2NaOH = Zn (OH) 2 + 2NaCl.
Zinc hydroxide formation.
6. Zn (OH) 2 = ZnO + H2O.
Decomposition at 100 – 150 ° C.
7. ZnO + C = Zn + CO.
Zinc reduction reaction with coke, t = 1100 – 1200 ° C.

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