List of top Chemistry Questions on Aldehydes And Ketones asked in CUET (UG)

In nucleophilic addition reaction of HCN to ethanal, the hybridisation of the carbonyl carbon in the final product is

Iodoform reaction with sodium hypoiodite is used for detection of .

Which of the following compounds does not undergo Cannizzaro reaction?

Which reagent is used to distinguish between ethanal and propanone?

Consider the following reaction sequence: \[ 2CH_3CHO \xrightarrow{\text{Dil. NaOH}} X \] \[ X \xrightarrow{\Delta} Y \] The major product \(Y\) formed in the above reaction is:

Aldol condensation is shown by compounds containing:

Semicarbazide is commonly used to identify:

Aldehydes and ketones react with semicarbazide (\( \text{NH}_2\text{NHCONH}_2 \)) in a weakly acidic medium to form crystalline semicarbazone derivatives. Which of the three nitrogen atoms in a semicarbazide molecule acts as the primary nucleophilic center during this reaction?

Which of the following organic compounds is expected to have the highest boiling point?

Which of the following does not give iodoform test?

Which of the following compounds gives a positive Tollen's test but negative Fehling's test?