Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
NEET2006ChemistryAldehydes and KetonesActual

A carbonyl compound reacts with hydrogen cyanide to form cyanohydrine which on hydrolysis forms a racemic mixture of -hydroxy acid. The carbonyl compound is:

Options

  1. Aformaldehyde
  2. Bacetaldehyde
  3. Cacetone
  4. Ddiethyl ketone

Correct answer

B. acetaldehyde

Step-by-step solution

Caution In racemic mixture, -C-atoms must have asymmetric carbon atoms.

Practice Aldehydes and Ketones on Quantrex Academy →

More from Aldehydes and Ketones

Base catalyzed aldol condensation occurs with 2026Aromatic aldehydes are less reactive than the aliphatic aldehydes in nucleophilic addition reaction this is due to 2026Identify a final product obtained when Pent-3-enenitrile is treated with AlH (i -Bu )₂ followed by acid hydrolysis. 2026When a mixture of an aldehyde and Fehling solution is boiled in hot water, a red precipitate is formed. Here the obtained red precipitate is of - 2026Which of the following reagents gives the same reduction product with propionaldehyde and acetone ? 2026Which of the following statements regarding the haloform test is NOT correct? 2026Which is the best reagent for the following conversion? CH ₃ -CH=CH-CH ₂ -CHO CH ₃ -CH=CH-CH ₂ -CH ₂ -OH 2026Aldehydes containing at least one -hydrogen atom undergo a reaction in presence of dilute aq. NaOH to form -hydroxyl aldehyde. Identify the reaction. 2026 Full Aldehydes and Ketones list All NEET PYQs