Question 19Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compounds.(a) Barium sulphate(b) Bismuth nitrate(c) Calcium bromide(d) Ferrous sulphide(e) Chromium sulphate(f) Calcium silicate(g) Stannic oxide(h) Sodium zincate(i) Magnesium phosphate(j) Sodium thiosulphate(k) Stannic phosphate(l) Nickel bisulphate(m) Potassium manganate(n) Potassium ferrocyanide

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Accepted Answer

S.No.CompoundBasicradicalAcidicradicalFormulaaBariumsulphateBa2+SO42-BaSO4bBismuthnitrateBi3+NO3-Bi(NO3)3cCalciumbromideCa2+Br-CaBr2dFerroussulphideFe2+S2-FeSeChromiumsulphateCr3+SO42-Cr2(SO4)3fCalciumsilicateCa2+SiO32-CaSiO3gStannicoxideSn4+O2-SnO2hSodiumzincateNa1+ZnO22-Na2ZnO2iMagnesiumphosphateMg2+PO43-Mg3(PO4)2jSodiumthiosulphateNa1+S2O32-Na2S2O3kStannicphosphateSn4+PO43-Sn3(PO4)4lNickelbisulphateNi2+HSO4-Ni(HSO4)2mPotassiummanganateK1+MnO42-K2MnO4nPotassiumferrocyanideK1+Fe(CN)64-K4[Fe(CN)6]

S. No.	Compound	Basic radical	Acidic radical	Formula
a	Barium sulphate	Ba²⁺	SO₄^2-	BaSO₄
b	Bismuth nitrate	Bi³⁺	NO₃^-	Bi(NO₃)₃
c	Calcium bromide	Ca²⁺	Br^-	CaBr₂
d	Ferrous sulphide	Fe²⁺	S^2-	FeS
e	Chromium sulphate	Cr³⁺	SO₄^2-	Cr₂(SO₄)₃
f	Calcium silicate	Ca²⁺	SiO₃^2-	CaSiO₃
g	Stannic oxide	Sn⁴⁺	O^2-	SnO₂
h	Sodium zincate	Na¹⁺	ZnO₂^2-	Na₂ZnO₂
i	Magnesium phosphate	Mg²⁺	PO₄^3-	Mg₃(PO₄)₂
j	Sodium thiosulphate	Na¹⁺	S₂O₃^2-	Na₂S₂O₃
k	Stannic phosphate	Sn⁴⁺	PO₄^3-	Sn₃(PO₄)₄
l	Nickel bisulphate	Ni²⁺	HSO₄^-	Ni(HSO₄)₂
m	Potassium manganate	K¹⁺	MnO₄^2-	K₂MnO₄
n	Potassium ferrocyanide	K¹⁺	Fe(CN)₆^4-	K₄[Fe(CN)₆]

The Language of Chemistry — Question 23

Question 19