Chemistry Qualitative Analysis
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17 Terms
carbonate
Add dilute acid -> effervescence, carbon dioxide produced
chloride
Acidify with dilute nitric acid, then add aqueous silver nitrate -> white ppt
nitrate
Add aqueous sodium hydroxide, then aluminium foil; warm carefully -> ammonia produced
sulfate
Acidify with dilute nitric acid, then add aqueous barium nitrate -> white ppt
aluminium + aqueous sodium hydroxide
white ppt soluble in excess giving a colourless solution
aluminium + aqueous ammonia
white ppt insoluble in excess
ammonium + aqueous sodium hydroxide
ammonia produced on warming
calcium + aqueous sodium hydroxide
white ppt insoluble in excess
calcium + aqueous ammonia
no ppt
copper(II) + aqueous sodium hydroxide
light blue ppt insoluble in excess
copper(II) + aqueous ammonia
light blue ppt soluble in excess giving a dark blue solution
iron(II) + aqueous sodium hydroxide
green ppt insoluble in excess
iron(II) + aqueous ammonia
green ppt insoluble in excess
iron(III) + aqueous sodium hydroxide
red-brown ppt insoluble in excess
iron(III) + aqueous ammonia
red-brown ppt insoluble in excess
zinc + aqueous sodium hydroxide
white ppt soluble in excess giving a colourless solution
zinc + aqueous ammonia
white ppt soluble in excess giving a colourless solution