Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
NEETChemistryAldehydes and Ketones

What is the purpose of using an alkaline medium in Tollens' test?

Options

  1. ATo neutralise the aldehyde
  2. BTo enhance the colour of the silver mirror
  3. CTo prevent the formation of silver metal
  4. DTo provide a suitable environment for the reaction

Correct answer

D. To provide a suitable environment for the reaction

Step-by-step solution

An alkaline medium is used in Tollens' test to provide a suitable environment for the reaction between the aldehyde and Tollens' reagent.

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