Qualitative analysis Flashcards
test and result
carbonate
add dilute acid and test for carbon dioxide. Effervescence produced
test and result
chloride
add dilute nitric acid and then aqueous silver nitrate. White ppt produced
test and result
bromide
add dilute nitric acid and then aqueous silver nitrate. Cream ppt produced
test and result
iodide
add dilute nitric acid and then aqueous silver nitrate. Yellow ppt
test and result
nitrate
add aqueous sodium hydroxide and then aluminium foil. Warm carefully, ammonia produced
test and result
sulfate
add dilute nitric acid and then aqueous barium nitrate. White ppt produced (barium sulfate)
test and result
sulfite
add a small volume of acidified aqueous potassium manganate (VII). The acidified aqeuous potassium manganate (VII) changes from purple to colourless
Aqueous NaOH on Al3+
white ppt soluble in excess giving a colourless solution
Aqueous NaOH on NH4+
ammonia produced on warming
Aqueous NaOH on Ca2+
white ppt insoluble in excess
Aqueous NaOH on Zn2+
white ppt soluble in excess giving a colourless solution
Aqueous NaOH on Cr3+
green ppt soluble in excess