Chemistry
State the meaning of the term 'oxide. Give a balanced equation for formation of the following oxides -
(a) Sulphur dioxide from a non-metal
(b) Zinc oxide from a metal
(c) Lead oxide from a mixed oxide.
Chemical Reaction
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Answer
Oxides are binary compounds of a metallic or non-metallic element with oxygen.
(a) Sulphur dioxide from a non-metal :
S + O2 ⟶ SO2
(b) Zinc oxide from a metal :
2Zn + O2 ⟶ 2ZnO
(c) Lead oxide from a mixed oxide :
2Pb3O4 6PbO + O2
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