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AS Chemistry (Mrs Donoghue) > Organic analysis > Flashcards

Organic analysis Flashcards

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1
Q

What is the test and result for the test of an alkene?

A

shake with bromine water

orange colour disappears

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2
Q

What is the test for a halogenoalkane? WHat is the result?

A
  1. add NaOH (aq) and warm
  2. acidify with HNO3
  3. add AgNO3 (aq)

precipitate of AgX forms

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3
Q

What is the test and result for an alcohol?

A

add acidified K2Cr2O7

orange colour turns green with 1º or 2º alcohols (also aldehydes)

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4
Q

What is the test for an aldehyde?

A

warm with Fehling’s (blue colour turns to red precipitate) or Tollens’ solution (silver mirror forms)

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5
Q

What is the test and result for a carboxylic acid?

A

add NaHCO3 (aq)

CO2 is given off

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AS Chemistry (Mrs Donoghue) (33 decks)

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