2.10 Alcohols Flashcards Preview

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Flashcards in 2.10 Alcohols Deck (13)
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What is the functional group of an alcohol?

The hydroxyl functional group (-OH)

1

What is a primary alcohol?

The carbon attached to the OH group is only bonded to one carbon atom.

2

What makes an alcohol a tertiary alcohol?

The carbon attached to the OH group is bonded to 3 other carbon atoms.

3

What is the result for a primary alcohol when added to acidified potassium dichromate

Orange to Green

4

Which functional group is present when a silver mirror is formed when added to Tollens' reagent?

CHO, as it was an Aldehyde.

5

What is the general equation for a dehydration (elimination) reaction?

Alcohol -> Alkene + Water

6

Give the chemical and word equation for the dehydration of Ethanol.

CH3CH2OH -> CH2CH2 + H2O
Ethanol to Ethene and Water

7

What are the benefits of using Ethanol as a biofuel?

It is from a renewable source if you use fermentation.
It is considered carbon neutral.
Cheap to produce.

8

What is the formula for an alcohol?

C(n)H(2n+1)OH

9

What are the two methods of producing ethanol?

Fermentation of glucose, using yeast.
Hydration of ethene.

10

What is the displayed formula for the secondary alcohol with only 3 carbons?

CH3 - CH -CH3
OH
(Propan-2-ol)

11

How would you get an aldehyde form a primary alcohol?

Distillation

12

How would you get a carboxylic acid form a primary alcohol?

Heat under reflux.