Organic Chemistry Practice Problems Tollens’s Test Practice Problems Solution: A compound yields an orange precipitate when treat...

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Solution: A compound yields an orange precipitate when treated with 2,4-dinitrophenylhydrazine in an acidic solution. The compound also reacts with Ag(NH3)2+  –OH (Tollens reagent). Which compound is consistent with these observations? A) 2-pentanone B) pentanal C) 2-pentanol D) methyl pentanoate

Problem

A compound yields an orange precipitate when treated with 2,4-dinitrophenylhydrazine in an acidic solution. The compound also reacts with Ag(NH3)2+  OH (Tollens reagent). Which compound is consistent with these observations?

A) 2-pentanone

B) pentanal

C) 2-pentanol

D) methyl pentanoate