Lab Activity: Fehling's and Tollen's Tests

IMPORTANT

Lab Activity: Fehling's and Tollen's Tests: Overview

This topic covers concepts, such as, Apparatus Required for Fehling's and Tollen's Test, Principle of Fehling's and Tollen's Test and Precautions Involved in Fehling's and Tollen's Test etc.

Important Questions on Lab Activity: Fehling's and Tollen's Tests

MEDIUM
IMPORTANT

The compounds which give positive Fehling's test are:
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Choose the CORRECT answer from the options given below:

EASY
IMPORTANT

How many of the following will give a positive tollen's test?

1. Acetone.

2. Formaldehyde

3. Formic acid

4. Acetic acid

5.Benzaldehyde

MEDIUM
IMPORTANT

From the compounds given below, number of compounds which give positive Fehling's test is

Benzaldehyde, Acetaldehyde, Acetone, Acetophenone,Methanal, 4-nitrobenzaldehyde, cyclohexane carbaldehyde.

HARD
IMPORTANT

How many of the below compounds give Fehling solution test?

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MEDIUM
IMPORTANT

Which of the following precautions is NOT necessary when performing Tollen's test?

EASY
IMPORTANT

Which of the following statements is true regarding Tollen's test?

EASY
IMPORTANT

Which of the following precautions is necessary when performing Fehling's test?

EASY
IMPORTANT

In Fehling's test, the blue solution changes to a brick-red precipitate in the presence of reducing sugars due to the formation of:

MEDIUM
IMPORTANT

Which test is used to detect the presence of reducing sugars in a solution?