question_answer 1)

  Which of the following reactions of methane is incomplete combustion? (a) \[2C{{H}_{4}}+{{O}_{2}}\xrightarrow{Cu/523K/100atm.}2C{{H}_{3}}OH\]        (b) \[C{{H}_{4}}+{{O}_{2}}\xrightarrow{M{{o}_{2}}{{O}_{3}}}HCHO+{{H}_{2}}O\] (c) \[C{{H}_{4}}+{{O}_{2}}\xrightarrow{{}}C(s)+2{{H}_{2}}O(l)\]                  (d) \[C{{H}_{4}}+2{{O}_{2}}\xrightarrow[{}]{{}}C{{O}_{2}}(g)+2{{H}_{2}}O(l)\]

Answer:

  (c) Complete combustion of \[C{{H}_{4}}\] gives \[C{{O}_{2}}\] and\[{{H}_{2}}O\].