Question
Which of the following reactions of methane is incomplete combustion?
A.
\[2C{{H}_{4}}+{{O}_{2}}\xrightarrow{Cu/523\,K/100\,atm}2C{{H}_{3}}OH\]
B.
\[C{{H}_{4}}+{{O}_{2}}\xrightarrow{M{{o}_{2}}{{O}_{3}}}HCHO+{{H}_{2}}O\]
C.
$$C{H_4} + {O_2} \to {C_{\left( s \right)}} + 2{H_2}{O_{\left( l \right)}}$$
D.
$$C{H_4} + 2{O_2} \to C{O_{2\left( g \right)}} + 2{H_2}{O_{\left( l \right)}}$$
Answer :
$$C{H_4} + {O_2} \to {C_{\left( s \right)}} + 2{H_2}{O_{\left( l \right)}}$$
Solution :
$$C{H_4} + {O_2} \to {C_{\left( s \right)}} + 2{H_2}{O_{\left( l \right)}}$$ is incomplete combustion. In complete combustion, hydrocarbons release $$C{O_2}$$ and $${H_2}O$$ whereas in this reaction, $$C$$ and $${H_2}O$$ are released.