Which of the following is a method to distinguish between aldehydes and ketones?

Practice Questions

Q1
Which of the following is a method to distinguish between aldehydes and ketones?
  1. Benedict's test
  2. Tollens' test
  3. Iodoform test
  4. Fehling's test

Questions & Step-by-Step Solutions

Which of the following is a method to distinguish between aldehydes and ketones?
  • Step 1: Understand that aldehydes and ketones are both types of organic compounds called carbonyls, but they have different structures.
  • Step 2: Know that aldehydes have a carbonyl group (C=O) at the end of the carbon chain, while ketones have it in the middle.
  • Step 3: Learn about Tollens' reagent, which is a special chemical solution used in tests.
  • Step 4: Remember that when you add Tollens' reagent to an aldehyde, it will change color or form a silver mirror, indicating a positive result.
  • Step 5: Understand that ketones do not react with Tollens' reagent, so there will be no color change or silver mirror.
  • Step 6: Conclude that if the solution changes color or forms a silver mirror, you have an aldehyde; if it does not, you have a ketone.
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