1.

Max. number of moles of electrons taken up by one mole of \[NO_{3}^{-}\] when it is reduced to           [DPMT 2002]

A.                 \[N{{H}_{3}}\]  
B.                 \[N{{H}_{2}}OH\]
C.                 \[NO\] 
D.                 \[N{{O}_{2}}\]
Answer» B.                 \[N{{H}_{2}}OH\]


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