pBlock ElementsII - Result Question 118
3. The oxoacid of sulphur that does not contain bond between sulphur atoms is
(2019 Main 10 April I)
(a) $H_2S_2O_3$
(b) $H_2S_2O_4$
(c) $H_2S_2O_7$
(d) $H_2S_2O_6$
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Solution:
- $S-S$ bond is not present in $H _2 S _2 O _7$ (pyrosulphuric acid or oleum).
While the other given oxoacids of sulphur, i.e. $H_2S_2O_3$ (thiosulphuric acid), $H_2S_2O_4$ (hyposulphurous or dithionous acid) and $H_2S_4O_6$ (tetrathionic acid) contain $S-S$ bonds.
BETA
