what is fromed by they reaction of copperoxide with diltee hydrochion'c acid?what change in dour of the solutionfake place? who white the balancedChemical equation,
Answers
Answer:
When dilute hydrochloric acid to copper oxide powder, blue green colour is imparted due to the formation of copper chloride CuCl
2
.
The reaction is :
2HCl+CuO→CuCl
2
+H
2
O
ANSWER
ANS 1 ;. When copper oxide reacts with dilute hydrocholric acid, copper chloride is formed and the colour changes from black to bluish-green. CuO is black in colour. ... The copper chloride formed is bluish-green in colour, and being soluble in water, forms a bluish-green solution in it.
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3 Ans .. Decomposition reaction of silver bromide is used in black and white photography.