What is the nature of the bond between B and O in (C2H5)2OBH3 ?
Covalent
Co - ordinate covalent
Ionic bond
Banana shaped bond
K2HgI4 is used to test the following :
NH4+
Cl
Br
I
A.
NH4+
Ir the identification of NH4+ ion neseller reagent K2HgI4 is used with which it give brown precipitate .
Following pair is separated by yellow ammonium sulphide :
CdS , Bi2S1
Bi2S3 , PbS
PbS , HgS
CdS , Ag2S3