Why SOF2 , SOBr2, and SOI2 not used in conversion of R-oh to R-X reaction??? And what is role of pyridine as a catalyst when we take R-oh +SOCl2 gives R-Cl...
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it is just that bonds in SOCl2 are neither too strong nor too weak , so side rxns are negligible and rxn is spontaneous due to low activation. energy, in other words it just fits there, also pyridine increases reactivity of SOCl2 by forming a complex when one Cl leaves it thus stabilising the intermediate and it is a base so it reacts with the Cl- ion to drive the equilibrium towards R-Cl
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Answer:
SOBr2 , SOI2 are unstable....
Explanation:
SOBr2 when it reacts with H2O it forms SO2(poisonous), and HBr (Tear gas) which causes irritation to your eyes...
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