JEE · NEET Previous Year Question
An organic compound ' ' burns with a sooty flame. It is negative towards Tollens' reagent test and positive for Borsche's reagent test. 'The compound ' ' is
Topic: JEE PYQ
Answer: B. Full step-by-step solution below.
- Abenzaldehyde
- Bacetopherione
- Cacetone
- Dsalicylic acid.
Correct answer: B
Solution
(b) : Ignition test-burning with a sooty flame indicates presence of aromatic compound.Negative test toward's Tollens' reagent indicates absence of aldehydes.
Positive test for Borsche's reagent test indicates ketones (possibility of aldehydes being nullified). So ' ' is an aromatic ketone.
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