Question

Write the acid and basic radical for the following
compounds and then write its chemical formula:
a) Ferrous Sulphide
b)Chromium Sulphate
c) Calcium Bromide
d)Lead Nitrate

Answer 1

Answer:

Compounds Acidic radical Basic radical Chemical formulae

a) Barium sulphate SO4-2 Ba+2 BaSO4

b) Bismuth nitrate NO3– Bi3+ Bi( NO3)3

c) calcium bromide Br– Ca+2 CaBr2

d) Ferrous sulphide S2- Fe+2 FeS

e) Chromium sulphate SO4-2 Cr+3 Cr2(SO4)3

f) Calcium silicate SiO4-2 CR3+ Cr2(SO4)3

g) Stannic oxide O-2 Sn+2 SnO2

h) Sodium Zincate ZnO-2 Na+1 Na2ZnO2

i) Magnesium phosphate PO4-3 Mg+2 Mg3(PO4)2

j) Sodium thiosulphate (S2O3)-2 Na+1 Na2S2O3

k) Stannic phosphate (PO4)-3 Sn4+ Sn3( PO4)4

l) Nickel-bi-silphate H2SO4- Ni+3 NiH(SO4)3

m) Potassium mangnate MnO4-2 K+1 K2MnO4

n) Potassium ferrocynide [Fe(CN)6]4- K1+ K4[Fe(CN)6]