Question

Write chemical equation for the reaction that takes place when zinc granules react with :
1. sulphuric acid
2. Hydrochloric acid
3. alumunium chloride
4. sodium hydroxide
5. nitric acid​

Answer 1

Zn + H2SO4 -------》 ZnSO4 + H2

Zn + 2HCl -----------》 ZnCl2 + H2

Zn + AlCl3 ---------》No reaction

ZN + NAOH ------》 NO REACTION

2ZN + 2HNO3 -------> 2ZnO + H2 + 2NO2

Answer 2

Answer:

1.Zn+H2SO4→ZnSO4+H2.

2. 2Zn (s)+2HCl( aq.)= 2ZnCl(aq.) + H2(↑)

3. Nothing will happen. Because according to the reactivity series, aluminium is more reactive than zinc. So Zinc will not be able to displace aluminium to form zinc chloride and aluminium metal.

4. Zn+2NaOh=Na2ZnO2+H2.

5.: Zn + 2HNO3→ Zn (NO3)2 + H2↑

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Explanation: