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Chemistry - Focus Topics for 2022 A Level Exams > Organic Analysis > Flashcards

Organic Analysis Flashcards

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1
Q

Alkene

A

Shake with bromine water

Red-brown turns to colourless

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2
Q

Halogenoalkane

A
  1. Add NaOH (aq) and warm
  2. Acidify with HNO3
  3. Add AgNO3 (aq)

Precipitate of AgX formed

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3
Q

Alcohol

A

Add acidified potassium dichromate

Orange to green (for primary and secondary alcohols)

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4
Q

Aldehyde

A

Warm with Fehling’s solution
Blue colour turns to red precipitate

Warm with Tollens solutions
Silver mirror forms

Add acidified potassium dichromate
Orange to green

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5
Q

Carboxylic acid

A 
Add NaHCO3 (aq)
CO2 given off - bubbles
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Chemistry - Focus Topics for 2022 A Level Exams (17 decks)

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