Aldehyde & Ketone

Name the compound

Ending of carboxylic acid (SPELL IT IN CAPITAL LETTERS)

Ending of amides (please spell it in CAPITAL LETTERS)

Choose the best reagent in the missing box for carrying out the following reaction

• PCC, CH₂Cl₂

• CH₃MgBr in ether, then H₃O⁺

• m-ClC₆H₄CO₃H

• warm H₂SO₄/H₂O

• NaOCH₃, CH₃OH

• A

• B

• C

• D

Classify the compound based on the functional group present.

• aldehyde
• ketone
• carboxylic acid
• ester

The following reaction scheme shows how propene can be prepared from propanal in two stages using reagents X and Y. Which of the following are the reagents X and Y?

X Y

CH₃CH₂CHO → CH₃CH₂CH₂OH → H₃CH=CH₂

• X: LiAlH₄ ; Y: KOH, ethanol, reflux

• X: NaBH₄ ; Y: conc.H₂SO₄, heat

• X: dillute H₂SO₄ ; Y: conc.ethanol, reflux

• X: dillute H₂SO₄ ; Y: KOH, ethanol, reflux

What is the name of this carbonyl compound?

• pentan-2-one
• hexan-5-one
• pentan-3-one
• hexan-2-one

Which one of these is an carboxylic acid

• 
• 
• 

The addition of HCN to carbonyl compounds is an example of

• (a) nucleophilic addition

• (b) electrophilic addition

• (c) free radical addition

• (d) electromeric addition