Which one does NOT belong?

Exercise and reference answers

Questions

1. Items

   1. Aldehyde
   2. Ketone
   3. Ether
   4. Carboxylic acid

   Reason

   An ether has no carbonyl group. The other three all contain C=O.

   Odd item

   Ether

2. Items

   1. Tollens
   2. Fehling
   3. Iodoform
   4. Williamson

   Reason

   Williamson is a synthesis of ethers, not a test for a carbonyl compound.

   Odd item

   Williamson

Instructions

Tap the item that does not belong with the rest.

Explanation