Assertion : Ammonia and its derivatives of the form $\mathrm{H}_2 \mathrm{~N}-\mathrm{Z}$ undergo condensation reaction with carbonyl compounds (aldehydes and ketones). Reason : This reaction is an example of irreversible reaction. The correct option among the following is

• A

  (A) is true, (R) is true and (R) is the correct explanation for (A)
• B

  (A) is true, (R) is true but (R) is not the correct explanation for (A)
• Correct answer
  C

  (A) is true but (R) is false
• D

  (A) is false but (R) is true

Solution

This reaction is reversible and catalysed by acid.

Hence, the correct answer is option: 'C'.