Aldehydes, Ketones and Carboxylic Acids — Important Questions
Telangana Open School (TOSS) · Class 12 · Chemistry
53 important questions from Aldehydes, Ketones and Carboxylic Acids for Telangana Open School (TOSS) Class 12 Chemistry, with answers.
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Important Questions from Aldehydes, Ketones and Carboxylic Acids
Which of the following is a carboxylic acid?
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CH₃COOH
CH₃COOH contains the -COOH group, which is characteristic of carboxylic acids.
What is the product when ethanol is oxidized using acidified K₂Cr₂O₇?
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Ethanal
Primary alcohols oxidize to aldehydes first, then to carboxylic acids. Under controlled conditions, ethanal is formed.
Which reagent is used in Tollen's test?
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[Ag(NH₃)₂]⁺
Tollen's reagent is ammoniacal silver nitrate, which contains [Ag(NH₃)₂]⁺ complex ion.
What is the functional group in aldehydes?
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>C=O
Aldehydes contain the carbonyl group (>C=O) with at least one hydrogen attached to the carbonyl carbon.
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