When copper is heated with conc. HNO3 it produces:

  • Option 1)

    Cu(NO3)2 and NO2

  • Option 2)

    Cu(NO3)2 and NO

  • Option 3)

    Cu(NO3)2, and NO2

  • Option 4)

    Cu(NO3)2 and N2O

 

Answers (2)

As we discussed in concept ID

Reaction of nitric acid with metals -

Product mainly form nitrates (strong oxidising agent). It depends on the concentration of acid.

- wherein

4Zn+10HNO_{3}\rightarrow 4Zn\left ( NO_{3} \right )_{2}+5H_{2}O+N_{2}O

Zn+4HNO_{3}\rightarrow Zn(NO_{3})_{2}+2H_{2}O+2NO_{2}

 

 C_{u}+4HNO_{3}\rightarrow C_{u}\left ( NO_{3} \right )+2NO_{2}+2H_{2}O


Option 1)

Cu(NO3)2 and NO2

Correct option

Option 2)

Cu(NO3)2 and NO

Incorrect option

Option 3)

Cu(NO3)2, and NO2

Incorrect option

Option 4)

Cu(NO3)2 and N2O

Incorrect option

Cu(No3)2 and No2

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