How would you distinguish experimentally between an alcohol and a carboxylic acid?
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Answered by
54
Answer: When acid reacts with carbonate and hydrogen carbonate, it gives carbon dioxide which turns lime water milky. On the other hand,alcohol does not give carbon dioxide on reaction with carbonate or hydrogen carbonate.
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Answered by
95
hello friend...!!
DISTINGUISH BETWEEN ALCOHOL AND CARBOXYLIC ACID :
1) LITMUS TEST : alcohol has no effect on litmus paper but carboxylic acid turns blue litmus into red.
2)SODIUM CARBONATE / BI-CARBONATE REACTION : alcohol does not react , but carboxylic acid reacts to give CO2.
3) OXIDATION WITH ALKALINE KMnO4 : with alcohol the pink color of KMnO4 fades , but carboxylic acid does not react.
4) SMELL TEST : carboxylic acid has distinct pungent smell of vinegar , but alcohol has no such smell.
hope my answer is useful to you...!!
DISTINGUISH BETWEEN ALCOHOL AND CARBOXYLIC ACID :
1) LITMUS TEST : alcohol has no effect on litmus paper but carboxylic acid turns blue litmus into red.
2)SODIUM CARBONATE / BI-CARBONATE REACTION : alcohol does not react , but carboxylic acid reacts to give CO2.
3) OXIDATION WITH ALKALINE KMnO4 : with alcohol the pink color of KMnO4 fades , but carboxylic acid does not react.
4) SMELL TEST : carboxylic acid has distinct pungent smell of vinegar , but alcohol has no such smell.
hope my answer is useful to you...!!
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