Question

Question 8.6 Write the formulae for the following compounds:

(a) Mercury(II) chloride (b) Nickel(II) sulphate

(c) Tin(IV) oxide (d) Thallium(I) sulphate

(e) Iron(III) sulphate (f) Chromium(III) oxide

Class XI Redox Reactions Page 272

Answer 1

concept :- for writing formula of a compound; oxidation state (for valency) of cation is written as the subscript of anion and valency of anion is written as subscript of cation.like valency of chloride (Cl-) is -1, Sulphate (SO4^2-) is -2 and O^2- is -2 .and valencies of metal are given in bracket.

(a) Hg(II)Cl2
(b) Ni(II)SO4
(c)Sn(IV)O2
(d)Th2(I)SO4
(e)Fe(III)2(SO4)3
(f)Cr2(III)O3

Answer 2

Hi

Please see the attached file!


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