lab 6
Andrexa Peluso
LabReport6.docxREPORT LAB No 6
NAME_______________________________ DATE________________
1. Oxidation of alcohols:
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Alcohol |
Condensed Formula |
1⁰, 2⁰, or 3⁰ |
After chromic acid addition |
Condensed Formula and Name of the product (if reaction) |
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Ethanol |
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2-propanol |
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2-methyl-2-propanol |
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Unknown |
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2. Oxidation of aldehydes and ketones.
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Compound |
Condensed Formula |
Aldehyde or ketone |
After chromic acid addition |
Condensed Formula and Name of product (if reaction) |
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Pentanal |
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Hexanal |
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Propanone |
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Butanone |
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3. Acidic properties of carboxylic acids. Neutralization reaction.
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Compound |
Initial pH |
pH after 5 drops NaOH 5% |
pH after 5 more drops NaOH 5% |
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Ethanoic Acid 5% |
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Propanoic Acid 5% |
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Neutralization Equation:
CH3COOH + NaOH
CH3CH2COOH + NaOH
4. Esterification reaction.
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Carboxylic Acid |
Alcohol |
Product Structure (Ester) |
Odor |
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Salicylic acid
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Methanol |
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Propionic acid
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Ethanol |
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5. Precipitation (Coagulation) of Egg Albumin.
a) Heat.
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Egg albumin solution before heating |
Solution after heating What change occurred? |
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b) Alcohol.
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Egg albumin solution before adding ethanol |
Solution after adding ethanol What change occurred? |
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6. Color test for proteins.
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Test |
Observations |
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Xanthoproteic |
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Ninhydrin
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Questions:
1. Complete the following table:
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Name |
General Structure |
Example of Condensed Formula |
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Alcohols |
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Ethers |
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Aldehydes |
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Ketones |
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Carboxylic Acids |
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Ester |
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2. Name and identify the following alcohols as primary, secondary, or tertiary.
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Structure |
Name |
1⁰, 2⁰, or 3⁰ |
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CH3CH2OH
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⌂⌂
OH
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OH |
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2
