Question Detail

CHM 102 Practice Questions Objective Question
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Question

The appearance of a silver mirror in Tollens' test indicates the presence of :
Options
A an aldehyde
Correct Answer
B a ketone
C an alcohol
D an alkene
Correct Answer

Option A is the correct answer.

Detailed Explanation

A silver mirror in Tollens' test indicates the presence of an aldehyde. Aldehydes are oxidized by Tollens' reagent (ammoniacal AgNO3) to carboxylic acids, depositing metallic silver.

Hint

What functional group gives a positive Tollens' test?

Question Info

Course: CHM 102
Topic: Practice Questions
Type: Objective
Difficulty: Not specified
Question 1379 of 1999
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