Observations: Test Tube A B C D E F Carboxylic Acid acetic acid acetic acid butyric acid benzoic acid salicylic acid acetic acid Alcohol Octan-1-ol iso-pentanol ethanol ethanol methanol ethanol Ester Produced Aroma Produced
Observations: Test Tube A B C D E F Carboxylic Acid acetic acid acetic acid butyric acid benzoic acid salicylic acid acetic acid Alcohol Octan-1-ol iso-pentanol ethanol ethanol methanol ethanol Ester Produced Aroma Produced
Organic Chemistry
8th Edition
ISBN:9781305580350
Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Publisher:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Chapter21: Benzene And The Concept Of Aromaticity
Section: Chapter Questions
Problem 21.63P
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Please help me with these chemistry worksheets
![SCH 4U0
Analysis:
1. Draw and Name the product for each reaction that you did.
Test
Tube
B
C
D
E
F
Name:
Diagram
Name](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fdb39dd84-c7a7-4536-9d76-43e7ced57f05%2F7a7834a3-9483-41df-8d29-374d294ce006%2Fgnr47qn_processed.jpeg&w=3840&q=75)
Transcribed Image Text:SCH 4U0
Analysis:
1. Draw and Name the product for each reaction that you did.
Test
Tube
B
C
D
E
F
Name:
Diagram
Name
![SCH 4U0
B
C
Objective: In this experiment, you will combine various
Materials:
D
E
F
Hot plate
Medicine droppers
Evaporating Dish
5 x 150 mm test tubes
Rubber Stoppers
Procedure:
1.
2.
Test
Tube
A
APPARATUS
Beaker
Observations:
alcohols with acetic (ethanoic acid) and butyric
acids (butanoic acid) to form esters. The esters can
be identified by their distinctive odours.
1st
10 drops - acetic acid
10 drops - acetic acid
10 drops - butyric acid
½ finger tip - benzoic acid
½ finger tip - salicylic acid
10 drops - acetic acid
6. Rinse the evaporating dish and repeat 5 with the remaining test tubes
Carboxylic Acid
CHEMICALS
Acetic acid (glacial)
Concentrated Sulphuric acid
Benzoic acid (powder)
Salicylic acid (powder)
Test Tube Clamps
Ice Water
Clean all glassware thoroughly and dry
Set up hot water bath by filling beaker half-way and heat until boiling. Meanwhile label your test tubes A, B,
C, D, and E.
3. Fill the test tubes accordingly:
Test Tube
A
B
C
D
E
F
acetic acid
acetic acid
butyric acid
benzoic acid
salicylic acid
acetic acid
Name:
ESTER LAB
4.
Place all 5 test tubes in the water bath for a minimum of 5 minutes.
5. Pour the contents of test tubes of A into an evaporating dish that is half full with cold water.
Carefully note the odour in your observation chart
***DUMP ALL WASTE IN THE BEAKER AT THE FRONT OF THE ROOM***
Alcohol
Octan-1-ol
Mix the test tubes well & Ensure they are covered by rubber stopper
iso-pentanol
ethanol
carboxylic
acid
ethanol
i.
R-Cto-Hi
methanol
ethanol
water-forming
portions
alcohol
Ethanol
Butyric Acid
Iso-pentanol
Methanol
Octan-1-ol
2nd
10 drops- octan-1-ol
10 drops-iso-pentanol
10 drops - ethanol
10 drops - ethanol
10 drops - methanol
10 drops - ethanol
R-O H
A,
Ester Produced
ester
R-C-O-P
acid
fragment
3rd
3 drops - sulphuric acid
3 drops - sulphuric acid
3 drops - sulphuric acid
3 drops - sulphuric acid
3 drops - sulphuric acid
3 drops - sulphuric acid
alcohol
fragment
Aroma Produced](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fdb39dd84-c7a7-4536-9d76-43e7ced57f05%2F7a7834a3-9483-41df-8d29-374d294ce006%2Fp4b6rqt_processed.jpeg&w=3840&q=75)
Transcribed Image Text:SCH 4U0
B
C
Objective: In this experiment, you will combine various
Materials:
D
E
F
Hot plate
Medicine droppers
Evaporating Dish
5 x 150 mm test tubes
Rubber Stoppers
Procedure:
1.
2.
Test
Tube
A
APPARATUS
Beaker
Observations:
alcohols with acetic (ethanoic acid) and butyric
acids (butanoic acid) to form esters. The esters can
be identified by their distinctive odours.
1st
10 drops - acetic acid
10 drops - acetic acid
10 drops - butyric acid
½ finger tip - benzoic acid
½ finger tip - salicylic acid
10 drops - acetic acid
6. Rinse the evaporating dish and repeat 5 with the remaining test tubes
Carboxylic Acid
CHEMICALS
Acetic acid (glacial)
Concentrated Sulphuric acid
Benzoic acid (powder)
Salicylic acid (powder)
Test Tube Clamps
Ice Water
Clean all glassware thoroughly and dry
Set up hot water bath by filling beaker half-way and heat until boiling. Meanwhile label your test tubes A, B,
C, D, and E.
3. Fill the test tubes accordingly:
Test Tube
A
B
C
D
E
F
acetic acid
acetic acid
butyric acid
benzoic acid
salicylic acid
acetic acid
Name:
ESTER LAB
4.
Place all 5 test tubes in the water bath for a minimum of 5 minutes.
5. Pour the contents of test tubes of A into an evaporating dish that is half full with cold water.
Carefully note the odour in your observation chart
***DUMP ALL WASTE IN THE BEAKER AT THE FRONT OF THE ROOM***
Alcohol
Octan-1-ol
Mix the test tubes well & Ensure they are covered by rubber stopper
iso-pentanol
ethanol
carboxylic
acid
ethanol
i.
R-Cto-Hi
methanol
ethanol
water-forming
portions
alcohol
Ethanol
Butyric Acid
Iso-pentanol
Methanol
Octan-1-ol
2nd
10 drops- octan-1-ol
10 drops-iso-pentanol
10 drops - ethanol
10 drops - ethanol
10 drops - methanol
10 drops - ethanol
R-O H
A,
Ester Produced
ester
R-C-O-P
acid
fragment
3rd
3 drops - sulphuric acid
3 drops - sulphuric acid
3 drops - sulphuric acid
3 drops - sulphuric acid
3 drops - sulphuric acid
3 drops - sulphuric acid
alcohol
fragment
Aroma Produced
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