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Question

...K2Cr2O7+...HCl...KCl+...CrCl3+...H2O+...Cl2
After balancing the above reaction what will be the sum of coefficients of the products ?

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
The balanced chemical reaction is given as follow:
K2Cr2O7+14HCl2KCl+2CrCl3+7H2O+3Cl2
Sum of coefficients of the products =2+2+7+3=14

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