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Chemistry A level > RP6 Organic tests > Flashcards

RP6 Organic tests Flashcards

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1
Q

How do you test for an alcohol

A

Add alcohol to test tube and small piece of sodium
Presence of alcohol is indicated by white ppt and effervescence

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2
Q

How do you distinguish between different alcohol types

A

Heat under reflux with acidified potassium dichromate (VI). Primary and secondary alcohols will be oxidised, orange to green. Tertiary alcohols can’t be oxidised and will remain orange

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3
Q

How do you test for a carboxylic acid

A

Add Na2CO3 to sample
If a carboxylic acid is present CO2 will be given off - effervescence

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4
Q

How to test for haloalkane

A

Add NaOH solution, warm then add nitric acid then silver nitrate
Ppt will form, usual colours chloride white

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Chemistry A level (48 decks)

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