JEE Mains Chemistry Past PapershardMCQ SINGLE

Given below are the four isomeric compounds (P, Q, R, S) OH (P) H O (Q) (R) O O (S) Identify correctJEE Mains Chemistry Past Papers Chemistry Question

Question

Given below are the four isomeric compounds (P, Q, R, S) OH (P) H O (Q) (R) O O (S) Identify correct statements from below. A. Q, R and S will give precipitate with 2, 4 - DNP. 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 I2/NaOH. E. Q alone will deposit silver with Tollen's reagent Choose the correct option. (A) A, C and E only (B) A and E only (C) C and E only (D) A, B, D and E only

Answer: A

💡 Solution & Explanation

OH (P) H O (Q (R) O O (S) (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 ALLEN 

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