The reaction CHCH + H2O + 3(O) shows the formation of _.
Correct answer: C. Oxalic acid
- A. Acetic acid
- B. Picric acid
- C. Oxalic acid
- D. Formic acid
Explanation
For this question, we must assume CHCH to be ethyne. The (O) implies oxidation and water indicates that the oxidizing agent is dilute. Based on that we would be getting CHOHCHOH as an intermediate as hydroxyl groups are added to each carbon. This is similar to how we obtain diols from alkenes by oxidizing them through dilute potassium manganate. Further oxidation takes place and since we have 2 aldehyde groups, each is oxidized to give a carboxylic acid thus 2 carboxylic acid groups which is Oxalic acid.
Last updated
About Carboxylic Acids
Carboxylic acids are named and studied through the combined effects of the carbonyl and hydroxyl groups, their preparation, acidity and hydrogen bonding. Reactions include neutralisation, esterification, reduction and conversion into acid chlorides, anhydrides, esters and amides, with emphasis on how these derivatives interconvert.
Practise Carboxylic Acids
550 free Carboxylic Acids MCQs from Chemistry, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Chemistry questions like this
Chemistry is on 12 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
Related questions
2-hydroxy propanoic acid is also called _ ?
2CH3,COOH+xCa→ Ca (OCOCH3)2 +H2O. Calculate value of "x".
2CH3COOH+ xCa→ Ca (CH3COO)2 +H2.Calculate value of "x".
A carboxylic acid contains:
A compound has the properties below:it is a liquid at room temperature,it is immiscible with water,it does not decolourise acidified potassium manganate(VII).What could it be?