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QJEEM17Che42a: JEE Main 2017 Chemistry - Class 12 JEEM17Che42a Solution: In the following reactions, ZnO is respectively acting as a/an…

In the following reactions, ZnO is respectively acting as a/an :

(a) ZnO + Na2O → Na2ZnO2

(b) ZnO + CO2 → ZnCO3

Multiple Choice Options

  • A base and base
  • B acid and acid
  • C acid and base
  • D base and acid

Step-by-Step Verified Solution

Zinc oxide (ZnO) when react with Na2O it act as acid while with CO2 it act as base. Therefore, it is an amphoteric oxide.

(a) ZnO + Na2O → Na2ZnO2
     Acid      Base          Salt

(b) ZnO + CO2 → ZnCO3
     Base      Acid       Salt

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