3. What types of aldehydes and ketones would you expect to be water-soluble? 4. What results are expected when the DNP test is done on a. an aldehyde? b. a ketone? 5. What size test tubes are used in Part B? 6. What results are expected when a Tollens' test is done on a. an aldehyde? b. a ketone?

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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
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20
EXPERIMENT 20
Pre-Lab Review
REACTIONS OF ALDEHYDES AND KETONES
1. Are any specific safety alerts given in the experiment? List any that are given.
Yes, handk. the Dn9 Beagent with caution, NAOH should also
be handled carefully and both should be weshed off immecdiately
after contact. Chromic acid should also be handled careful ancd
washed off with cool water.
2. Are any specific disposal directions given in the experiment? List any that are given.
Yes, test tube disposed of in Exp.. 20, N2OH get disposed of
in the sink, test tube with acetone, nH3,& butpraldehyde gos.dowr
the sink with running water, and the final tube goes in exp 20 seed
chemicals
3. What types of aldehydes and ketones would you expect to be water-soluble?
4. What results are expected when the DNP test is done on
a. an aldehyde?
b. a ketone?
5. What size test tubes are used in Part B?.
6. What results are expected when a Tollens' test is done on
a. an aldehyde?
b. a ketone?
27
O 2014 Cengage Learning Al Righes Reserved. May ot be scaned, cpied ir duplicated, or posted to a publicly sccesible wehi, inele in pan
Transcribed Image Text:20 EXPERIMENT 20 Pre-Lab Review REACTIONS OF ALDEHYDES AND KETONES 1. Are any specific safety alerts given in the experiment? List any that are given. Yes, handk. the Dn9 Beagent with caution, NAOH should also be handled carefully and both should be weshed off immecdiately after contact. Chromic acid should also be handled careful ancd washed off with cool water. 2. Are any specific disposal directions given in the experiment? List any that are given. Yes, test tube disposed of in Exp.. 20, N2OH get disposed of in the sink, test tube with acetone, nH3,& butpraldehyde gos.dowr the sink with running water, and the final tube goes in exp 20 seed chemicals 3. What types of aldehydes and ketones would you expect to be water-soluble? 4. What results are expected when the DNP test is done on a. an aldehyde? b. a ketone? 5. What size test tubes are used in Part B?. 6. What results are expected when a Tollens' test is done on a. an aldehyde? b. a ketone? 27 O 2014 Cengage Learning Al Righes Reserved. May ot be scaned, cpied ir duplicated, or posted to a publicly sccesible wehi, inele in pan
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