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Question

write the basic & acidic radicals of these compounds & then write the chemical formula
a) Barium sulphate b) Bismuth nitrate c) Calcium bromide d) Chromium sulphate e) Ferrous sulphide f) Calcium silicate g) Potassium ferrocyanide
h) Stannic oxide i) Calcium silicate j) Sodium zincate k) Magnesium phosphate l) Stannic phosphate m) Sodium thiosulphaten) Nickel bisulphate o) Potassium manganate

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Solution

a. Barium sulphate - BaSO4 - Acidic radical SO42- : Basic radical - Ba2+b. Bismuth nitrate - Bi(NO3)3- Acidic radical NO3- : Basic radical - Bi3+c. Calcium bromide - CaBr2 - Acidic radical Br- : Basic radical - Ca2+d. Chromium sulphate - CrSO4 - Acidic radical SO42- : Basic radical - Cr2+e. Ferrous sulphide - FeS - Acidic radical S2- : Basic radical - Fe2+f. Calcium silicate - CaSiO4 - Acidic radical SiO42- : Basic radical - Ca2+g. Potassium ferrocyanide K4Fe(CN)6 - Acidic radical Fe(CN)64- : Basic radical -K+h. Stannicoxide -SnO2 - Acidic radical O2- : Basic radical - Sn2+i. Calcium silicate - repeatdj. Sodium Zincate - Na2(Zn(OH)4) - Acidic radical -[Zn(OH)4]2- : basic radical - Na+k. Magnesium phosphate - Mg3(PO4)2 - Acidic radical -PO43- : basic radical - Mg2+Like this do the rest

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