On adding dilute HCL acid to copper oxide powder the solution formed is blue-green. Predict the new compound formed which imparts a blue-green colour to the solution.
When HCl is diluted with copper oxide, the following reaction takes place: HCl+CuO→CuCl2+H2O The new compound formed is copper chloride (CuCl2) which imparts a blue-green colour to the solution. The above reaction is a type of double displacement