Question
How will you bring about following conversions:
(a) Methane to methanol
(b) Ethane to ethanol (acetaldehyde)
(c) Methane to methanoic acid
(a) Methane to methanol
(b) Ethane to ethanol (acetaldehyde)
(c) Methane to methanoic acid
✓
Answer
(a) Methane to methanol:
$
2 CH _4+ O _2 \xrightarrow[200^{\circ} C ]{ cu } 2 CH _3 OH
$
(b) Ethane to ethanal(acetaldehyde):
$
2 C _2 H _6+ O _2 \xrightarrow[200^{\circ} Cu ]{ Cu } 2 C _2 H _5 OH
$
$
C _2 H _5 OH \xrightarrow[\text { acidic }]{ K _2 Or _2 O _7} CH _3 CHO
$
(c) Methane to methanoic acid:
$
2 CH _4+ O _2 \xrightarrow[200^{\circ} Cl ]{ Cu } 2 CH _3 OH
$
$
CH _3 OH \xrightarrow[\text { acidic }]{ K _2 Or _2 O _7} HCHO \xrightarrow[\text { acidic }]{ K _2 Or _2 O _7} HCOOH
$
$
2 CH _4+ O _2 \xrightarrow[200^{\circ} C ]{ cu } 2 CH _3 OH
$
(b) Ethane to ethanal(acetaldehyde):
$
2 C _2 H _6+ O _2 \xrightarrow[200^{\circ} Cu ]{ Cu } 2 C _2 H _5 OH
$
$
C _2 H _5 OH \xrightarrow[\text { acidic }]{ K _2 Or _2 O _7} CH _3 CHO
$
(c) Methane to methanoic acid:
$
2 CH _4+ O _2 \xrightarrow[200^{\circ} Cl ]{ Cu } 2 CH _3 OH
$
$
CH _3 OH \xrightarrow[\text { acidic }]{ K _2 Or _2 O _7} HCHO \xrightarrow[\text { acidic }]{ K _2 Or _2 O _7} HCOOH
$
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