Chemistry
NULL
Medium
Question
Consider the following redox reaction: Zn + dil HNO3 → Zn(NO3)2 + N2O + H2O. The coefficient of HNO3 in the balanced equation is__________________?
A
6
B
8
C
10
✓ Official correct answer
D
4
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A
6
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B
8
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C
10
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D
4
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Explanation
The balanced equation is 4Zn + 10HNO3 → 4Zn(NO3)2 + N2O + 5H2O, giving HNO3 a coefficient of 10.
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