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ORGANIC CHEM - ORGANIC ANALYSIS

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Total cards: 11•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (11)

#1
Front (Question)

What is the test for alkenes?

Back (Answer)

bromine water

#2
Front (Question)

What is the +ve result for alkenes?

Back (Answer)

colour change from orange to colourless

#3
Front (Question)

What is the test for primary and secondary alcohols?

Back (Answer)

warm with acidified potassium dichromate

#4
Front (Question)

What is the +ve result for a primary/secondary alcohol?

Back (Answer)

colour change from orange to green

#5
Front (Question)

What are the 2 tests for aldehydes?

Back (Answer)

• warm with tollen’s reagent or • warm with fehling’s solution

#6
Front (Question)

What is the +ve result for an aldehyde with both tests?

Back (Answer)

• tollen’s reagent: from colourless to silver mirror • fehling’s solution: from blue to orange-red precipitate

#7
Front (Question)

What is the test for a carboxylic acid?

Back (Answer)

add Na2CO3 (sodium carbonate)

#8
Front (Question)

What is the +ve result for a carboxylic acid?

Back (Answer)

effervescence

#9
Front (Question)

What is the test for halide ions?

Back (Answer)

warm with HNO3 and add AgNO3

#10
Front (Question)

What are the +ve results for halide ions?

Back (Answer)

Cl^-: white precipitate Br^-: cream precipitate I^-: yellow precipitate

#11
Front (Question)

Back (Answer)