Question
Chemistry Question on Alcohols, Phenols and Ethers
Given below are two statements:
Statement I: On heating with KHSO4, glycerol is dehydrated and acrolein is formed.
**Statement II: **Acrolein has fruity odour and can be used to test glycerol’s presence.
Choose the correct option
A
Both Statement I and Statement II are correct.
B
Both Statement I and Statement II are incorrect.
C
Statement I is correct but Statement II is incorrect.
D
Statement I is incorrect but Statement II is correct.
Answer
Statement I is correct but Statement II is incorrect.
Explanation
Solution
Glycerol, on heating with KHSO4, undergoes dehydration to give unsaturated aldehyde called acrolein. So, statement I is correct.Acrolein has piercing unpleasant smell.
So, statement II is incorrect.