In which of the following reactions,NO_2 is n | vedclass

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(A) The reaction of $Zn$ with dilute $HNO_3$ produces $N_2O$ (nitrous oxide) instead of $NO_2$. The reaction is: $4Zn + 10HNO_3 (	ext{dil.}) ightar

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$Zn + (	ext{dil.}) HNO_3 ightarrow$

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(A) The reaction of $Zn$ with dilute $HNO_3$ produces $N_2O$ (nitrous oxide) instead of $NO_2$. The reaction is: $4Zn + 10HNO_3 (	ext{dil.}) ightarrow 4Zn(NO_3)_2 + 5H_2O + N_2O$. In the other reactions: $I_2 + 10HNO_3 (	ext{conc.}) ightarrow 2HIO_3 + 10NO_2 + 4H_2O$. $Cu + 4HNO_3 (	ext{conc.}) ightarrow Cu(NO_3)_2 + 2NO_2 + 2H_2O$. $C + 4HNO_3 (	ext{conc.}) ightarrow CO_2 + 4NO_2 + 2H_2O$. Thus,$NO_2$ is not liberated in the reaction of $Zn$ with dilute $HNO_3$.

In which of the following reactions,$NO_2$ is not liberated?

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