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Sanjivni Bagora Chemistry As-Level English 1 page

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Negative Ions

Test

Observation

CO32-

Carbonate

Add an acid (HCl)

Gas given of bubble through

limewater

Limewater turns cloudy showing CO2

present.

Cl-

Chloride

Add acidified silver nitrate solution

A ‘WHITE’ precipitate

SILVER CHLORIDE

AgCl

Br-

Bromide

Add acidified silver nitrate solution

A ‘CREAM’ precipitate

SLIVER BROMIDE

AgBr

I-

Iodide

Add acidified silver nitrate solution

A ‘YELLOW” precipitate

SLIVER IDODIDE

AgI

So42-

Sulfate

Add barium chloride

A ‘WHITE” precipitate

BARIUM SULPHATE

BaSO4

Description: As-Level Chemistry Note on Untitled, created by Sanjivni Bagora on 07/03/2015.
Created by: Sanjivni Bagora · Mar 2015
Updated: Feb 19, 2016
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