A) \[{{H}_{2}}S{{O}_{4}}\] with \[NaOH\]
B) In atmosphere, \[{{O}_{3}}\] from \[{{O}_{2}}\] by lightning
C) Evaporation of \[{{H}_{2}}O\]
D) Nitrogen oxides form nitrogen and oxygen by lightning
Correct Answer: D
Solution :
\[\overset{0}{\mathop{2{{N}_{2}}}}\,+\overset{0\,\,}{\mathop{{{O}_{2}}}}\,\to \overset{\,}{\mathop{\overset{\,\,\,\,+2}{\mathop{2N}}\,\,\overset{-2}{\mathop{O}}\,}}\,\] Here O.N. of N increases from O in \[{{N}_{2}}\] to +2 in NO, 2? and that of decreased from O in \[{{O}_{2}}\] to ?2 in O, therefore, it is a redox reaction.
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