Question

Bivalent acidic acidic radical (a) Ca2+ (b) SO4 2- (c)NO2- (d) OH-​

Answer 1

Answer:

a. Positive Radicals : Na+, Fe2+,Ag+ Al3+,Cr3+,Fe3+,Au3+,Co2+,Ni2+,Hg2+,Sn2+.

b. Basic Radical : Na+, Fe2+,Ag+, Al3+,Cr3+,Fe3+,Au3+,Co2+,Ni2+,Hg2+,Sn2+.

c. Composite Radical : SO4 2- ,NH4+ ,HCO3- , HSO4- , NO4-.

d. Metal With Variable Valency : Cu(1+,2+), Hg(1+,2+) ,Fe(2+,3+).

e. Bivalent Acidic Radical : S2- ,O2- ,Se2- .

f. Trivalent Basic Radical : Al3+ ,Cr3+,Fe3+,Au3+.