Q13 of 49 Page 20

Write the molecular formulae of all the compounds that can be formed by the combination of following ions

Cu2+, Na+, Fe3+, Cl-, SO42-, PO43-

Molecular formulae of compounds are-

(i) CuCl2


(ii) CuSO4


(iii) Cu3(PO4)2


(iv) NaCl


(v) Na2SO4


(vi) Na3PO4


(vii) FeCl3


(viii) Fe2(SO4)3


(ix) FePO4


More from this chapter

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11

Which of the following represents a correct chemical formula? Name it.

(a) CaCl


(b) BiPO4


(c) NaSO4


(d) NaS

 12

Write the molecular formulae for the following compounds

(a) Copper (II) bromide


(b) Aluminium (III) nitrate


(c) Calcium (II) phosphate


(d) Iron (III) sulphide


(e) Mercury (II) chloride


(f) Magnesium (II) acetate

 14

Write the cations and anions present (if any) in the following compounds

(a) CH3COONa


(b) NaCl


(c) H2


(d) NH4NO3

 15

Give the formulae of the compounds formed from the following sets of elements

(a) Calcium and fluorine


(b) Hydrogen and sulphur


(c) Nitrogen and hydrogen


(d) Carbon and chlorine


(e) Sodium and oxygen


(f) Carbon and oxygen