Chemistry · Aldehydes and Ketones
JEE Main 2026 — 24 January, Evening Shift — Question 61
Given below are two statements : one is labelled as Statement I and the other is labelled as Statement II :
Statement I: Cross aldol condensation between two different aldehydes will always produce four different products.
Statement II : When semicarbazide reacts with a mixture of benzaldehyde and acetophenone under optimum pH, it forms a condensation product with acetophenone only.
In the light of the above statements, choose the correct answer from the options given below :
- Option A:Correct
Both Statement I and Statement II are false
- Option B:
Statement I is false but Statement II is true
- Option C:
Both Statement I and Statement II are true
- Option D:
Statement I is true but Statement II is false
Answer: A
Step-by-step solution
Statement I : False Cross aldol can give 2 or 4 products Statement II : False Benzaldehyde & Acetone both react with semi carbazide.
Answer key and solution verified before publishing.
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- Exam
- JEE Main 2026
- Subject
- Chemistry
- Chapter
- Aldehydes and Ketones
- Topic
- Chemical properties of Aldehydes & Ketones