Related Practice Questions :

In which pair of ions both the species contain S-S bond?

(a) S2O72-, S2O32-(b) S4O62-, S2O32-(c) S2O72-, S2O82-(d) S4O62-, S2O72-

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Hot concentrated sulphuric acid is a moderately strong oxidising agent. Which of the following reaction doe not show oxidising behaviour?

(a) Cu + 2H2SO4 CuSO4 + SO2 + 2H2O

(b) 3S + 2H2SO4 3SO2 + 2H2O

(c) C + 2H2SO4 CO2 + 2SO2 + 2H2O

(d) CaF2 + H2SO4 CaSO4 + 2HF

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Sulphur trioxide can be obtained by which of the following reaction

(a) CaSO4 + C                          (b) Fe2(SO4)3

(c) S + H2SO4                          (d) H2SO4 + PCl5 

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What happens when :

(i) SO2 gas is passed through an aqueous solution Fe3+ salt ?

(ii) XeF4 reacts with SbF5 ?                                                                           (2)

 

 

 

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Arrange the following in the order of property indicated against each set :

(i) HF, HCl, HBr, HI - increasing bond dissociation enthalpy.

(ii) H2O, H2S, H2Se, H2Te - increasing acidic character.

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