A. 14
B. 12
C. 11
D. 10
Correct Answer:
Option A – 14
Explanation
K2Cr2O7 + HCl → Cl2 + KCl + CrCl3 + H2O
Balancing the equation, we have
K2Cr2O7 + 14HCl → 3Cl2 + 2KCl + 2CrCl3 + 7H2O
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