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Question

Give an equation for reaction of conc. HNO3 with copper.

A
3Cu+4HNO3(conc)3Cu(NO3)2+2NO2+H2O
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B
Cu+2HNO3(conc)Cu(NO3)2+NO2+2H2O
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C
2Cu+4HNO3(conc)2Cu(NO3)2+2NO2+2H2O
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D
Cu+4HNO3(conc)Cu(NO3)2+2NO2+2H2O
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Solution

The correct option is D Cu+4HNO3(conc)Cu(NO3)2+2NO2+2H2O
Cu+4HNO3(conc)Cu(NO3)2+2NO2+2H2O

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