Extraction of Metals - Result Question 85
####88. Complete and balance the following reaction :
Copper reacts with $HNO _3$ to give $NO$ and $NO _2$ in the molar ratio of $2: 1$
$$ Cu+HNO _3 \longrightarrow \ldots \ldots .+NO+NO _2+\ldots \ldots $$
(1992)
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Solution:
- $7 Cu+20 HNO _3 \longrightarrow 7 Cu\left(NO _3\right) _2+4 NO+2 NO _2+10 H _2 O$
