pBlock ElementsII - Result Question 3

####3. The oxoacid of sulphur that does not contain bond between sulphur atoms is

(2019 Main 10 April I)

(a) H2S2O3

(b) H2S2O4

(c) H2S2O7

(d) H2S4O6

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Solution:

  1. SS bond is not present in H2S2O7 (pyrosulphuric acid or oleum).

While the other given oxoacids of sulphur, i.e. H2S2O3 (thiosulphuric acid), H2S2O4 (hyposulphurous or dithionous acid) and H2S4O6 (tetrathionic acid) contains SS bonds.



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