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in Chemistry by (55.7k points)

Compare three salts of a composition M2S2Ox where x are three different small integers and M is an alkali metal. To each of the three salts apply some of the following assertions: 

(a) The O−O bond is characteristic for the anion. 

(b) The S−S bond is characteristic for the anion. 

(c) The S−O−S bond is characteristic for the anion. 

(d) It is formed by thermal decomposition of hydrogen sulphate. 

(e) It is formed by anodic oxidation of hydrogen sulphate. 

(f) It is formed by the reaction of an aqueous solution of sulphite with sulphur. 

(g) Its aqueous solution dissolves silver bromide. 

(h) Neutralisation of its aqueous solution with hydroxide MOH yields sulphate M2SO4

(i) In aqueous solution, it is able to oxidise Mn(II) salt to permanganate. 

Fill in the correct x values in the formulas given in the Table and indicate in the corresponding square by appropriate letters those assertions that may be applied to each of the given salts: 

M2S2O
M2S2O
M2S2O

2. Write structural formulas of the anions of the above three salts and assign σ-bonds and π-bonds in them. 

3. Write the chemical equations expressing the processes involved in the assertions under the letters d, e, f, g, h, i. 

1 Answer

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(1)

M2S2O b f g
M2S2O c d h
M2S2O a e i

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