NaHSO_3 is heated to produce H_2O and compoun | vedclass

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(A) The reaction is: $2NaHSO_3 \xrightarrow{\Delta} Na_2S_2O_5 + H_2O$.Compound $'A'$ is sodium metabisulphite $(Na_2S_2O_5)$.The structure of the $[S

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$A$ has $S-O-S$ type of linkage

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(A) The reaction is: $2NaHSO_3 \xrightarrow{\Delta} Na_2S_2O_5 + H_2O$.Compound $'A'$ is sodium metabisulphite $(Na_2S_2O_5)$.The structure of the $[S_2O_5]^{2-}$ ion shows a direct $S-S$ bond between the two sulphur atoms.In this structure,one sulphur atom is bonded to three oxygen atoms and the other sulphur atom,and it has a lone pair. The other sulphur atom is bonded to four oxygen atoms (including the $S-S$ bond) and has no lone pair.Thus,the statement that '$A$ has $S-O-S$ type of linkage' is $INCORRECT$ because it contains an $S-S$ bond,not an $S-O-S$ bond.

$NaHSO_3$ is heated to produce $H_2O$ and compound $'A'$. Which of the following statements is $INCORRECT$ about $'A'$?

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