write chemical equations for the following reactions take place when :
copper is heated in air
Answers
When we heat copper in air , it reacts with oxygen
2Cu + O2 -------> 2CuO
Hope this helps
Giving chemical equation answer the following:
(a) What happens when copper is heated in air?
(b) What happens when the product obtained in above reaction is heated in hydrogen?
Asked by Topperlearning User | 18th Mar, 2015, 08:53: AM
Expert Answer:
(a) When copper is heated in air, it reacts with the oxygen of air to form a black compound copper oxide.
2Cu + O2 begin mathsize 12px style rightwards arrow with Heat on top end style 2CuO
(b) When copper oxide formed in above reaction is heated in hydrogen, then copper oxide is reduced and brown copper metal is obtained.
CuO + H2 begin mathsize 12px style rightwards arrow with Heat on top end style Cu + H2O
Answered by | 18th Mar, 2015, 10:53: AM
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