Alcohols

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Total cards: 24•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (24)

Front (Question)

General formula for alcohols

Back (Answer)

CnH2n+1OH

Front (Question)

Alcohol name ending?

Back (Answer)

-ol.

Front (Question)

Alcohol prefix?

Back (Answer)

Hydroxy-

Front (Question)

How would you name an alcohol with 2 or more OH groups?

Back (Answer)

Diol or Triol but leave the e on the alkane.

Front (Question)

Describe the boiling point of alcohol?

Back (Answer)

They have low volatility and high boiling points due to their ability to form hydrogen bonds between alcohol molecules.

Front (Question)

Why can smaller alcohols dissolve in water?

Back (Answer)

Because they can form hydrogen bonds to water molecules.

Front (Question)

What is a primary alcohol?

Back (Answer)

1 carbon is attached to the carbon that is attached to the oxygen.

Front (Question)

What is a secondary alcohol?

Back (Answer)

2 carbons are attached to the carbon that is attached to the oxygen.

Front (Question)

What is a tertiary alcohol?

Back (Answer)

3 carbons are attached to the carbon that is attached to the oxygen.

#10

Front (Question)

What oxidising agent is used for alcohols?

Back (Answer)

Potassium dichromate. K2Cr2O7

#11

Front (Question)

If you partially oxidise a primary alcohol what do you get?

Back (Answer)

Aldehyde

#12

Front (Question)

What reagents are used for the partial oxidation of a primary alcohol?

Back (Answer)

Potassium Dichromate (VI) and Dilute Sulfuric Acid

#13

Front (Question)

What conditions are needed for the partial oxidation of a primary alcohol?

Back (Answer)

Warm gently and distil out the aldehyde as it forms.

#14

Front (Question)

What is the name ending of an aldehyde?

Back (Answer)

-al

#15

Front (Question)

Where is the C=O bond of an aldehyde?

Back (Answer)

On the first carbon.

#16

Front (Question)

What is the observation in a partial oxidation of a primary alcohol?

Back (Answer)

The orange Dichromate ion (Cr2O7^2-) reduces to the green Cr^3+ ion.

#17

Front (Question)

Do you need to add a number when writing the aldehyde name?

Back (Answer)

No because the aldehyde functional group is on the end of the carbon chain always.

#18

Front (Question)

When writing the structural formula of an aldehyde, how do you write the aldehyde group?

Back (Answer)

CHO

#19

Front (Question)

What is the structural formula of propanal?

Back (Answer)

CH3CH2CHO

#20

Front (Question)

What is formed in the full oxidation of a primary alcohol?

Back (Answer)

Carboxylic acid

#21

Front (Question)

What reagent is needed for the full oxidation of a primary alcohol?

Back (Answer)

Potassium Dichromate (VI) solution and dilute sulfuric acid.

#22

Front (Question)

What conditions are needed for the full oxidation of a primary alcohol?

Back (Answer)

Use an excess of potassium dichromate and heat under reflux.

#23

Front (Question)

What is the observation for the full oxidation of a primary alcohol?

Back (Answer)

The orange Dichromate ion (Cr2O7^2-) reduces to the green Cr^3+ ion.

#24

Front (Question)

What is formed in the oxidation of secondary alcohols?

Back (Answer)

Ketone