A gas (X) is obtained when copper reacts with dilute HN03. The gas thus formed reacts with oxygen to give brown fumes of (Y). (Y) when dissolved in water gives an important acid (Z) and the gas (X). X, Y, and Z respectively are:
A
NO; NO2; HNO3
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B
NO2; NO; HNO3
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C
N2O; NO; HNO2
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D
NO; N2O; HNO3
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Solution
The correct option is A NO; NO2; HNO3 In diluted HNO3,