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Peroxide effeis observed

Answer»

only with HBr
with both HCl and HBr
only with HI
with both HCI and HF

Solution :HCl and HF do not give peroxid effect (oranti Markownikoff'srule) because they have high bond energies. They are not brokenby alkoxy free radicals obtained from peroxide. Hl also do not given peroxide effect, although it is broken by the alkoxy free radical. It is because iodine atoms so formed radily combine with each other to yiedl`I_(2)`rather than attacking the DOUBLE bond.


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