Assertion: Zinc becomes dull in moist air.
Reason: Zinc is coated by a thin film of its basic carbonate in moist air.
Dear Student
Correct option is (A)
Zinc gets covered with carbonate layer and its surface becomes dull.
4 Zn + 3 H2O + 2O2 + 2CO2 --> ZnCO3.3Zn(OH)2.
Regards
Correct option is (A)
Zinc gets covered with carbonate layer and its surface becomes dull.
4 Zn + 3 H2O + 2O2 + 2CO2 --> ZnCO3.3Zn(OH)2.
Regards