Salt Analysis Procedure for Class 11 and 12(CBSE)

Preliminary Tests Test Observation Physical Appearance Colour White

Odour(moisten & smell)

Inference NH4+, Pb2+, Al3+ , Zn2+, Ba2+, Ca2+ , Sr2+ and Mg2+

Blue or Bluish Green

Cu2+

Greenish

Ni2+

Light Green

Fe2+

Brown(or Dark Brown)

Fe3+

Red(or Pink)

Co2+

Light pink

Mn2+

Smell of NH3

NH4+

Smell of vinegar

CH3COO-

Smell of rotten eggs

S2-

Smell of SO2

(SO3)

2-