II. OBSERVATION RESULTS: Observation Implication Chemical equation of the reaction Observation Implication Chemical equation of the reaction Observation Implication Chemical equation of the reaction Observation Implication Chemical equation of the reaction Observation Implication Chemical equation of the reaction III. CONCLUSION: 2,4-dinitrophenyl Hydrazine Test (test for carbonyl group) odium Bisulphite Test (confirmatory test for carbonyl group) Schiff's Reagent Test Tollen's Test Fehling's Test
II. OBSERVATION RESULTS: Observation Implication Chemical equation of the reaction Observation Implication Chemical equation of the reaction Observation Implication Chemical equation of the reaction Observation Implication Chemical equation of the reaction Observation Implication Chemical equation of the reaction III. CONCLUSION: 2,4-dinitrophenyl Hydrazine Test (test for carbonyl group) odium Bisulphite Test (confirmatory test for carbonyl group) Schiff's Reagent Test Tollen's Test Fehling's Test
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
Related questions
Question
![https://drive.google.com/file/d/1L66NrVZMjjz2yKInzUla4ck5ttssRpgz/view?usp=sharing
A. 2,4-dinitrophenyl Hydrazine Test (test for carbonyl group)
Place about 1 ml (20 drops) of organic compound in a test tube. Add a small amount
(about 20 drops) of rectified spirit using a dropper. Shake the test tube well to dissolve the
compound and rectified spirit. Using another dropper add a small quantity (about 20 drops) of
2,4-dinitrophenyl hydrazine solution into the test tubes. The 2,4-dinitrophenyl hydrazine reacts
with the carbonyl group present in the aldehyde and ketone to form a yellow or orange
precipitate. Write your observation.
B. Sodium Bisulphite Test (confirmatory test for carbonyl group)
Place a small quantity (about 20 drops) of saturated solution of sodium bisulphite in a
test tube. Add a small quantity (about 20 drops) of organic compound using a dropper. Cork
the test tubes and shake it well and leave for some time. Write your observation.
C. Schiff's Reagent Test
Place about 1 ml (20 drops) of organic compound in a test tube. Add a small amount (about
20 drops) of Schiff's reagent using a dropper. Write your observation.
D. Tollen's Test
Using a dropper place a small amount (about 20 drops) of silver nitrate solution in a test
tube. Add a few drops (about 20 drops) of dilute sodium hydroxide solution in a test tube
containing silver nitrate. Determine the color after the reaction. Using another dropper add in
excess a dilute ammonium hydroxide to the precipitate and shake the test tube well. Observed
happened to the precipitate. Now, using a dropper add a small quantity (20 drops) of organic
compound in the test tube. Heat the test tube in a boiling water bath. Write your observation.
E. Fehling's Test
Place about 1 ml (20 drops) of organic compound in a test tube. To this add about 20
drops of Fehling's solution A. Using another dropper add about 20 drops of Fehling's solution B.
Heat the test tube in a boiling water bath. Write your observation.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F37eea0fd-e8da-450c-b5ae-3a1253f0065e%2F7d5dc342-f7e7-41db-95a4-aff93270ca20%2F6o4m2kq_processed.jpeg&w=3840&q=75)
Transcribed Image Text:https://drive.google.com/file/d/1L66NrVZMjjz2yKInzUla4ck5ttssRpgz/view?usp=sharing
A. 2,4-dinitrophenyl Hydrazine Test (test for carbonyl group)
Place about 1 ml (20 drops) of organic compound in a test tube. Add a small amount
(about 20 drops) of rectified spirit using a dropper. Shake the test tube well to dissolve the
compound and rectified spirit. Using another dropper add a small quantity (about 20 drops) of
2,4-dinitrophenyl hydrazine solution into the test tubes. The 2,4-dinitrophenyl hydrazine reacts
with the carbonyl group present in the aldehyde and ketone to form a yellow or orange
precipitate. Write your observation.
B. Sodium Bisulphite Test (confirmatory test for carbonyl group)
Place a small quantity (about 20 drops) of saturated solution of sodium bisulphite in a
test tube. Add a small quantity (about 20 drops) of organic compound using a dropper. Cork
the test tubes and shake it well and leave for some time. Write your observation.
C. Schiff's Reagent Test
Place about 1 ml (20 drops) of organic compound in a test tube. Add a small amount (about
20 drops) of Schiff's reagent using a dropper. Write your observation.
D. Tollen's Test
Using a dropper place a small amount (about 20 drops) of silver nitrate solution in a test
tube. Add a few drops (about 20 drops) of dilute sodium hydroxide solution in a test tube
containing silver nitrate. Determine the color after the reaction. Using another dropper add in
excess a dilute ammonium hydroxide to the precipitate and shake the test tube well. Observed
happened to the precipitate. Now, using a dropper add a small quantity (20 drops) of organic
compound in the test tube. Heat the test tube in a boiling water bath. Write your observation.
E. Fehling's Test
Place about 1 ml (20 drops) of organic compound in a test tube. To this add about 20
drops of Fehling's solution A. Using another dropper add about 20 drops of Fehling's solution B.
Heat the test tube in a boiling water bath. Write your observation.
![II. OBSERVATION RESULTS:
Observation
Implication
Chemical equation of the
reaction
Observation
Implication
Chemical equation of the
reaction
Observation
Implication
Chemical equation of the
reaction
Observation
Implication
Chemical equation of the
reaction
Observation
Implication
Chemical equation of the
reaction
III. CONCLUSION:
2,4-dinitrophenyl Hydrazine Test (test for carbonyl group)
odium Bisulphite Test (confirmatory test for carbonyl group)
Schiff's Reagent Test
Tollen's Test
Fehling's Test](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F37eea0fd-e8da-450c-b5ae-3a1253f0065e%2F7d5dc342-f7e7-41db-95a4-aff93270ca20%2Fn59n9v3_processed.jpeg&w=3840&q=75)
Transcribed Image Text:II. OBSERVATION RESULTS:
Observation
Implication
Chemical equation of the
reaction
Observation
Implication
Chemical equation of the
reaction
Observation
Implication
Chemical equation of the
reaction
Observation
Implication
Chemical equation of the
reaction
Observation
Implication
Chemical equation of the
reaction
III. CONCLUSION:
2,4-dinitrophenyl Hydrazine Test (test for carbonyl group)
odium Bisulphite Test (confirmatory test for carbonyl group)
Schiff's Reagent Test
Tollen's Test
Fehling's Test
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