The oxoacid of sulphur that does not contain | vedclass

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Question

(C) To determine which oxoacid does not contain a $S-S$ bond,we examine their structures:$1$. $H_2S_2O_3$ (Thiosulphuric acid): Contains a $S-S$ bond

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$H_2S_2O_7$

Vedclass · Answer

(C) To determine which oxoacid does not contain a $S-S$ bond,we examine their structures:$1$. $H_2S_2O_3$ (Thiosulphuric acid): Contains a $S-S$ bond $(HO-SO_2-SH)$.$2$. $H_2S_2O_4$ (Dithionous acid): Contains a $S-S$ bond $(HO-SO-SO-OH)$.$3$. $H_2S_2O_7$ (Pyrosulphuric acid or Oleum): Its structure is $HO-SO_2-O-SO_2-OH$. It contains a $S-O-S$ linkage,not a $S-S$ bond.$4$. $H_2S_4O_6$ (Tetrathionic acid): Contains a chain of sulphur atoms ($S-S-S-S$ linkage).Therefore,$H_2S_2O_7$ is the correct answer.

The oxoacid of sulphur that does not contain a bond between sulphur atoms is

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