1.

product (A) and (B) in above reactionis :

Answer»

`O^(_)-overset(O)overset(||)S-O-H,O^(-)-overset(O)overset(||)S-O-CH_(3)`
`O^(_)-overset(O)overset(||)S-O-H,O^(-)-""_(o+)underset(O^(-))underset(|)overset(O)overset(||)S-O-CH_(3)`
`O^(_)-overset(O)overset(||)S-O-CH_(3),O^(THETA)-""^(o+)underset(CH^(3))underset(|)overset(O)overset(||)S-H`
`O^(-)-""^(o+)underset(H)underset(|)overset(O)overset(||)S-O,O^(-)-underset(CH_(3))underset(|)overset(O)overset(||)S-O^(-)`

Solution :
( sulphur is better nucleophoile than OXYGEN )(but oxygen is better base than sulhur)
(A) Is FORMED by ACID -base reaction therefore oxygen will REACT.
(B) oid formed by electrophioe and nueophile reaction therefore sulphur wuill react.


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