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onvert the ethyl bromide into Grignard's reagent, ethyl magnesium bromide then allow to react with dry ice (Solid carbon dioxide) then acidic hydrolysis produces the propionic acid.

CH3-Br + Mg --- anhydrous ether---> CH3-CH2-Mg-Br

CH3-CH2-Mg-Br + CO2 ----H+/H2O---> CH3-CH2-COOH

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10y ago
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10y ago

Reduce to alcohol, then Thionyl Chloride will convert it to Ethyl chloride and then add Potassium Cyanide and Hydrolyse in acidic medium

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11y ago

Oxidize propanol with KMnO4 to get propanoic acid.

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Q: How do you convery propanoic acid to ethanoic acid?
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Related questions

Why melting point of ethanoic acid is higher than propanoic acid?

Ethanoic acid is more polar than propanoic acid, as it contains fewer carbon-carbon and carbon-hydrogen bonds.


Is ethanoic acid an alkali?

No ethanoic acid is an acid.


Which is weaker hydrobromic acid or ethanoic acid?

HBr is a strong acid. Ethanoic acid (acetic acid) is a weak acid. So ethanoic acid is weaker.


Is ethanoic acid found in stores?

Ethanoic acid is vinegar.


What is the dissociation of propanoic acid (CH3CH2CO2H) in water?

It is a weak acid, as it does not dissociate completely.


Is ethanoic stronger than hydrochloric?

Ethanoic acid (acetic acid) is a weak acid and hydrochloric acid (HCl) is a strong acid. So, ethanoic acid is NOT stronger than hydrochloric acid.


Why pKa of propiolic acid is significantly lower than the pKa of propanoic acid?

due to propiolic acid having more s character than propanoic acid (sp hybridisation in the triple bond), it tends to be more electronegative than propanoic acid and therefore weakens the O-H bond allowing the H+ to dissociate easier, making it a stronger acid than propanoic acid


What is the method which can be used to differentiate sulphuric acid and ethanoic acid?

you can take NMR of ethanoic acid


Which is more acidic methanesulfonic acid or propanoic acid?

methanesulfonic acid


What are the differences between oxalic acid and ethanoic acid?

Oxalic acid is dicarboxylic acid while ethanoic acid is monocarboxylic acid.


What acid is C2H5COOH?

The systematic name of this compound is propanoic acid.


What is the old name for ethanoic acid?

Acetic Acid. Here are some more older names for various carboxylic(fatty) acids. Formic Acid (Methanoic Acid) Propanoic acid remains unchanged. As does Butanoic Acid However, Valeric Acid ( Pentanoic Acid) Try Stearic Acid. (CH3(CH2)16COOH).