What is the final oxidation product of methanol when subjected toan excess of aq. KMnO4?

Methanoic acid or formic acid: .

Explanation:

Hello,

In this case, when methanol reacts with a strong oxidizing agent as potassium permanganate, the first oxidation product is methanal (formaldehyde) as shown below:

Afterwards, the methanal continues reacting with the potassium permanganate to finally yield methanoic acid (formic acid):

This is understood by the fact that oxidation in organic chemistry is also related with the increase of oxygen atoms in the oxidized molecule.

Best regards.

Best regards.

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  the   balanced   equation   for   reaction of   ca metal   with   o2 to   produce   cao   is as below

2 ca+ o2→ 2 cao2

  explanation

the reaction is   balanced     since the   number of atoms   in reactant side is   equal to   number of atoms   in   product side.   for   example   they   are 2   atom of   ca in   reactant   side   and   2   atoms of ca   in   the product side.

  the   process   is a   meet the   requirement   of   redox   reaction because :     calcium   is   oxidized   from   oxidation state 0   to 2+   while   oxygen   is reduced from   oxidation   state   0   to 2-