JEE Main 2026 — Aldehydes and Ketones Question with Solution
JEE Main 2026 (28 January Shift 1)
Question
Given below are the four isomeric compounds
Identify correct statements from below.
A. and S will give precipitate with .
B. P and Q will give positive Bayer's test.
C. Q and R will give sooty flame.
D. R and S will give yellow precipitate with .
E. Q alone will deposit silver with Tollen's reagent Choose the correct option.
Identify correct statements from below.
A. and S will give precipitate with .
B. P and Q will give positive Bayer's test.
C. Q and R will give sooty flame.
D. R and S will give yellow precipitate with .
E. Q alone will deposit silver with Tollen's reagent Choose the correct option.
Choose an option
Show full solutionCorrect option: D
Correct answer
DA, C and E only
Step-by-step explanation
(A) Q, R, S all three give 2, 4 DNP test as they have Aldehyde/ketone group
(C) Q & R gives sooty flame
(E) Q gives Tollens reagent test
(C) Q & R gives sooty flame
(E) Q gives Tollens reagent test
Practice this on the real CBT interface
Solve this JEE Main question (and the rest of the Aldehydes and Ketones chapter) on PrepSharp's TCS iON-style CBT player — with timer, bookmarks and session analytics.
Solve interactively →About this question
This is a previous-year question from JEE Main 2026, covering the Aldehydes and Ketones chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.