Quick picks on carbonyl reactions

Exercise and reference answers

Questions

1. Question

   Aldehydes oxidise to give:

   Choices

   1. Carboxylic acids
   2. Alkanes
   3. Ethers

   Correct choice

   Carboxylic acids

2. Question

   Tollens reagent carries silver as the:

   Choices

   1. Chloride
   2. Nitrate
   3. Sulphide

   Correct choice

   Nitrate

3. Question

   Fehling test gives a precipitate that is:

   Choices

   1. Silver white
   2. Deep purple
   3. Reddish brown

   Correct choice

   Reddish brown

4. Question

   Adding water to ethyne gives:

   Choices

   1. Acetaldehyde
   2. Acetic acid
   3. Ethyl ether

   Correct choice

   Acetaldehyde

5. Question

   Aldol condensation needs at least one:

   Choices

   1. Beta carbon
   2. Alpha hydrogen
   3. Gamma oxygen

   Correct choice

   Alpha hydrogen

Instructions

Tap the correct answer before the round moves on.

Explanation