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प्रश्न
Write down the changes that will be seen in the instance and explain the reason behind them.
Two or three filings of copper were added to 10ml dilute nitric acid and stirred.
टीपा लिहा
उत्तर
When copper metal reacts with dilute nitric acid, the metal does not displace hydrogen from the acid like reaction with other metals. Instead, the reaction produces nitric oxide (NO).
3Cu + 8HNO3 (conc.)→3Cu(NO3)2 + 2NO + 4H2O
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