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On adding dilute HCI to copper oxide powder, the solution formed is blue- green.

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asked Jan 9, 2018 in Chemistry by sforrest072 (157,439 points) ● 63 ● 448 ● 1282
edited Jan 24, 2018 by Vikash Kumar

On adding dilute HCI to copper oxide powder, the solution formed is blue-green. Predict the new compound formed which imparts a blue-green colour to the solution.

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+1 vote
answered Jan 9, 2018 by faiz (82,347 points) ● 6 ● 6 ● 12
selected Jan 24, 2018 by Vikash Kumar
 
Best answer

The new compound formed is copper(II) chloride (CuCl2), which imparts blue-green colour to the solution.
 CuO + 2HCl  ------> CuCl2 +     H2O

   copper oxide              copper (II)chloride

                                          ( Blue-green )    

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