List of top Chemistry Questions on Aldehydes, Ketones and Carboxylic Acids asked in KEAM

When benzoyl chloride is treated with \(H_2\) in the presence of \(Pd-BaSO_4\), benzaldehyde is formed. This reaction is called
Which of the following compound undergoes aldol condensation?
The aldehyde that does not respond to Fehling’s test is
When phenol is treated with excess of bromine water, it gives
Which of the following undergoes haloform reaction?
Benzaldehyde reacts with \(HNO_{3}/H_{2}SO_{4}\) at 273–283 K to give.
The common name of propanedioic acid is
The compound with the lowest pKa value is
The most acidic hydrogen is present in
Pyridinium chlorochromate is a complex of
An organic compound with molecular formula $C_5H_{10}O$ does not reduce Tollens’ reagent but forms an addition compound with sodium hydrogen sulphite and gives positive iodoform test. On vigorous oxidation, it gives ethanoic and propanoic acids. The compound is:
The reagent used for the conversion of decanol into decanoic acid is
product of aldol condensation is 1,3-diphenyl pro-3-ene-1-one, then its reactants are
X and Y in the below reaction are ______ and ______ respectively

C\(_6\)H\(_5\)–CO\(_2\)H + X \(\xrightarrow{\text{Heat}}\) C\(_6\)H\(_5\)–COCl \(\xrightarrow{\text{H}_2/\text{Pd/BaSO}_4\text{, Quinoline}}\) Y
The reagent ‘R’ in the given sequence of chemical reaction is:
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An organic compound \( \text{C}_5\text{H}_{10}\text{O} \) does not reduces Tollen's reagent but forms addition compound with sodium hydrogen sulphite and gives the Iodoform test. On vigorous oxidation, it gives ethanoic acid and propanoic acid.
The common name of propanedioic acid is
What is the IUPAC name of the organic compound formed in the following chemical reaction?
Acetone \( \xrightarrow{\text{(i) } C_{2}H_{5}MgBr,\ \text{dry ether} \;\;\text{(ii) } H_{2}O,\ H^{+}} \) Product
Which of the following does not undergo Cannizzaro reaction?
Which one of the following compounds undergoes HVZ reaction?
Identify the correct sequence of reactions and products for the following scheme.

Benzoyl chloride is converted to benzaldehyde by
Fehling's reagent is a mixture of
Toluene on treatment with chromic oxide in presence of acetic anhydride at \( 273{-}283\,K \) gives compound (X). Compound (X) on hydrolysis with aqueous acid gives compound (Y). The compounds (X) and (Y) are respectively
Which of the following carboxylic acid is used in the manufacture of nylon-6,6?