Practice

Questions

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Engineering

Given below are the four isomeric compounds (P, Q, R, S) [Diagram: Four chemical structures: (P) is o-methylphenol. (Q) is benzaldehyde. (R) is acetophenone. (S) is phenylacetaldehyde.] 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\text{I}_2/\text{NaOH}. E. Q alone will deposit silver with Tollen's reagent Choose the correct option.