Aldehydes, Ketones and Carboxylic Acids questions
1139 published questions with worked solutions.
- An aldehyde which undergoes Cannizzaro's reaction and reduces Schiff's reagent but does not reduce Fehling's solution is:
- Aldol condensation of aldehydes and ketones takes place through the formation of:
- General formula of carbonyl compound is:
- Formaldehyde can be manufactured from:
- Aldehydes behave as:
- Benzaldehyde and acetaldehyde can be distinguished by:
- Calcium propanoate on refluxing yields:
- Aldehydes and ketones both give addition reaction with:
- Carbon atom of the carbonyl group in an aldehyde is of:
- The decreasing order of solubility (in water) of methanol (A), propionaldehyde (B), benzaldehyde (C) and acetophenone (D) is:
- When HCHO is treated with C₆H₅CHO in presence of NaOH, the products are:
- The term hypnone is used for:
- Compound (A), C₅H₁₀O, forms a phenylhydrazone and gives a negative Tollens' and iodoform test. Compound (A) on reduction gives...
- Acetaldehyde and acetone differ in their reaction with:
- A carbonyl compound reacts with hydrogen cyanide to form a cyanohydrin which, on hydrolysis, forms a racemic mixture of an...
- If acetyl chloride is reduced in presence of BaSO₄ + Pd, the product formed is:
- The calcium salt of the final oxidation product of ethanol, on dry distillation, gives:
- Base-catalysed aldol condensation occurs with:
- Ketones are prepared by:
- The reaction: 2 [glyoxylic-acid-type structure, HOOC–CHO] (OH⁻)→ [tartronic-acid-type product] + [glycolic-acid-type product], is:
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