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NH+4
Test - add few drops of NaOH
Observation - NH3 is produced
What is observed when few drops of NaOH when Cr3+ present
Green precipitate (Cr(OH)3)
What is observed when excess of NaOH is added to sample containing Cr3+
Green solution can be seen
What can be observed when few drops of NH3 is added to sample containing Cr3+
Green ppt (Cr(OH)3)
What is observed when excess of NH3 is added to sample containing Cr3+
Insoluble = no change
What is observed when few drops of NaOH is added to sample containing Fe2+
Green ppt (Fe(OH)2)
What is the observation when excess of NaOH is added to sample containing Fe2+
Insoluble = No change
What is the observation when few drops of NH3 is added to the sample containing Fe2+
Green ppt (Fe(OH)2)
What is the observation when excess of NH3 is added to sample containing Fe2+
Insoluble= no change
What is the observation when few drops of NaOH is added to sample containing Fe3+
Red brown ppt (Fe(OH)3)
What is the observation when excess of NaOH is added to sample containing Fe3+
Insoluble = no change
What is the observation when few drops of NH3 is added to sample containing Fe3+
Red brown ppt (Fe(OH)3)
What is the observation when excess of NH3 is added to sample containing Fe3+
Insoluble = no change
What is the observation when few drops of NaOH is added to sample containing Cu2+
Blue ppt ( Cu(OH)2 )
What is the observation when excess of NaOH is added to sample containing Cu2+
Insoluble = no change
What is the observation when few drops of NH3 is added to sample containing Cu2+
Blue ppt (Cu(OH)2)
What is the observation when excess NH3 is a added to sample containing Cu2+
Deepblue solotuion forms
What is the observation when few drops of NaOH is added to sample containing Al3+
White ppt (Al(OH)3)
What is the observation when excess of NH3 is added to sample containing Al3+
Soluble
What is the observation when few drops ofNH3 is added to Al3+
White ppt (Al(OH)3)
What is the observation when excess NH3 is added to sample containing Al3+
Insoluble= no change
What is the observation when few drops of NaOH is added to sample containing Ca2+
White ppt( Can(OH)2)
What is the observation when excess NaOH is added to ample containing Ca2+
Insoluble = no change
What is the observations when a few drops of NH3 is added to sample containing Ca2+
Not ppt
What is the observation when excess NH3 is added to sample containing Ca2+
What is the observations when few drops of NaOH is added to sample containing Zn2+
White ppt (Zn(OH)2)
What is the observation when excess NaOH is added to sample containing Zn2+
Soluble
What is the observations when few drops of NH3 is a added to sample containing Zn2+
White ppt
What is the observation when excess NH3 is added to sample containing Zn2+
Soluble