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Question
Cold and dilute HNO3 reacts with Cu to give ______.
Options
NO2
NO
N2
O2
MCQ
Fill in the Blanks
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Solution
Cold and dilute HNO3 reacts with Cu to give NO.
Explanation:
Cold and dilute nitric acid reacts with copper to form nitric oxide (NO), copper nitrate, and water.
\[\ce{3Cu + 8HNO3(dil{.}) -> 3Cu(NO3)2 + 2NO + 4H2O}\]
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