3.6 Organic Analysis Flashcards Preview

Chemistry AS 2015-16 > 3.6 Organic Analysis > Flashcards

Flashcards in 3.6 Organic Analysis Deck (10)
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1

What kind of alcohol forms an aldehyde when oxidised?

Primary alcohol

2

What kind of alcohol forms a ketone when oxidised?

Secondary alcohol

3

Fehling's solution and Benedict's solution can be used to distinguish between aldehydes and ketones. What colour does the blue solution become when an aldehyde is added?

Red

4

Fehling's solution and Benedict's solution can be used to distinguish between aldehydes and ketones. What colour does the blue solution become when a ketone is added?

Stays blue - no change

5

Tollens reagent is a mixture of silver nitrate, sodium hydroxide and ammonia. What functional group compound must have been added for a silver coating to form on the walls of the test tube?

An Aldehyde

6

When an Alkene is added to an orange solution it becomes colourless. What solution?

Bromine Water

7

What can sodium carbonate be used to test for?

Carboxylic acids

8

What 3 solutions are needed to create Tollens reagent?

Sodium hydroxide, ammonia and silver nitrate

9

Name the gas that's produced when a Carboxylic acid reacts with sodium carbonate

Carbon dioxide

10

What is used to oxidise alcohols?

Acidified potassium dichromate