Lab 6 REPORT LAB No 6 NAME_______________________________ DATE________________ 1. Oxidation of alcohols: Alcohol Condensed F

Lab 6 REPORT LAB No 6

NAME_______________________________ DATE________________

1. Oxidation of alcohols:

Alcohol

Condensed F

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REPORT LAB No 6

NAME_______________________________ DATE________________

1. Oxidation of alcohols:

Alcohol

Condensed Formula

1⁰, 2⁰, or 3⁰

After

chromic acid addition

Condensed Formula and Name of the product (if reaction)

Ethanol

2-propanol

2-methyl-2-propanol

Unknown

2. Oxidation of aldehydes and ketones.

Compound

Condensed Formula

Aldehyde or

ketone

After

chromic acid addition

Condensed Formula and Name of product (if reaction)

Pentanal

Hexanal

Propanone

Butanone

3. Acidic properties of carboxylic acids. Neutralization reaction.

Compound

Initial pH

pH after 5 drops

NaOH 5%

pH after 5 more drops

NaOH 5%

Ethanoic Acid 5%

Propanoic Acid 5%

Neutralization Equation:

CH3COOH + NaOH

CH3CH2COOH + NaOH

4. Esterification reaction.

Carboxylic Acid

Alcohol

Product Structure (Ester)

Odor

Salicylic acid

Methanol

Propionic acid

Ethanol

5. Precipitation (Coagulation) of Egg Albumin.

a) Heat.

Egg albumin solution

before heating

Solution after heating

What change occurred?

b) Alcohol.

Egg albumin solution

before adding ethanol

Solution after adding ethanol

What change occurred?

6. Color test for proteins.

Test

Observations

Xanthoproteic

Ninhydrin


Questions:

1. Complete the following table:

Name

General Structure

Example of Condensed Formula

Alcohols

Ethers

Aldehydes

Ketones

Carboxylic Acids

Ester

2. Name and identify the following alcohols as primary, secondary, or tertiary.

Structure

Name

1⁰, 2⁰, or 3⁰

CH3CH2OH

⌂⌂

OH

OH

2

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