CDU Pharm OCHEM LAB - EXP 7

carbonyl group

Aldehydes and Ketones are molecules that contain OH and a _ ?

end of the chain

An aldehyde's carbonyl group is located where?

middle of the chain

A ketone's carbonyl group is located where?

polar

Aldehydes and Ketones are _ because of their carbonyl group (which is very electronegative)

not very high

higher than alkanes'

lower than alcohols'

Aldehydes and Ketones cant form hydrogen bonds with each other. So, how high are Aldehyde and Ketone's boiling points?

1. 0°C

2. 50°C

3. 56°C

Boiling Points of:

1. Butane

2. Propanol

3. Acetone

pleasant

Many aldehydes and ketones have _ odors

1. Formaldehyde

2. Acetaldehyde

3. Acetone

4. Benzaldehyde

5. Acetophenone

List the 5 Carbonyl Compounds we used for Experiment 7 (Aldehydes and Ketones)

Benzaldehyde

Acetophenone

(they have high molecular weights)

Out of the 5 carbonyl compounds in Experiment 7, 2 are IMMISCIBLE in water. What are they?

Tollen's Test

Silver Mirror Test is also known as?

AgNO3 + NH3 (solution) + NaOH

What is the content of Tollen's reagent?

ALL OF THEM!

1. Tollen's Test

2. Fehling's Test

3. Chromic Acid Test

4. DNPH Test

Aldehydes showed positive results for which Tests in Exp 7?

DNPH Test

Ketones showed positive results for which Test/s in Exp 7?

benzaldehyde

For tollen's test, which aldehyde REQUIRED heat for completion?

Black Mirror

What did ketones (acetone and acetophenone) produce at endpoint with Tollen's Test?

Red or Orange PPT

What is the positive result for Fehling's Test?

Fehling A - Copper Sulfate CuSO4

What is the content of Fehling's Reagent?

benzaldehyde

Which aldehyde had a SLOW reaction for Fehling's Test? (positive result, nonetheless)

H2CrO4

What is the chemical composition of Chromic Acid?

Green Solution

Chromic Acid Test shows _ at positive test result

DNPH Test

Which test had a positive result for ALL the chemical compounds w/ carbonyl group?

yellow or orange PPT

What is the positive endpoint for DNP/H test?

Brady's Test

DNPH Test is also known as?

2,4-DinitroPhenylHydrazine

What is the full name of DNPH Test?

Benzaldehyde

Almond-flavored cookies has what kind of aldehyde?

Cinnamaldehyde

Cinnamon candies has what kind of aldehyde?

Acetone

Nail polish remover is made of what kind of ketone?

2-heptanone

methyl ketones

Blue Cheese is made of what kind of ketone?