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Question

What is the sum of the coefficients of the products for the following reaction, after balancing?
...K2Cr2O7+...HCl...KCl+...CrCl3+...H2O+...Cl2

A
10
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B
12
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C
13
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D
14
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E
15
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Solution

The correct option is D 14
Option D is the correct answer.
The balanced equation can be written as-
K2Cr2O7 + 14HCl = 2KCl + 2CrCl3 + 7H2O + 3Cl2
Thus the sum of the co-efficients of the products totals up to 14

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