Determine the coefficient of HCl when it reacts with one molecule of K2 Cr2 O7. Two metallic chlorides, chlorine gas and water are obtained in this reaction.
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D
K
2
Cr
2
O
7
+14HCl→2KCl+2CrCl
3
+7H
2
O+3Cl
2
↑
Reaction of potassium dichromate and a conc. acid results in evolution of chlorine gas.
K
2
Cr
2
O
7
+14HCl→2KCl+2CrCl
3
+7H
2
O+3Cl
2
↑
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