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This question is about four organic compounds, each containing two carbon atoms.

This question is about four organic compounds, each containing two carbon atoms.
A CH3CH2OH
B CH3CHO
C CH3COOH
D CH3COCl

0.01 mol of each compound is heated separately with excess acidified
sodium dichromate(VI).
Which compound reduces the largest amount of sodium dichromate(VI)?

the answer is A, which is alcohol why?
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Sjabex
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Original post by universalcj
This question is about four organic compounds, each containing two carbon atoms.
A CH3CH2OH
B CH3CHO
C CH3COOH
D CH3COCl

0.01 mol of each compound is heated separately with excess acidified
sodium dichromate(VI).
Which compound reduces the largest amount of sodium dichromate(VI)?

the answer is A, which is alcohol why?

A is a primary alcohol, it can still be oxidised to an aldehyde and then a carboxylic acid
B is an aldehyde so it can only go to a carboxylic acid
C is a carboxylic acid and D is an acyl halide so they can't be oxidised further

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