Study the reaction steps carefully and identify the products X (major) and Y respectively.
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Solution
Bromination:
Halogenation of alkanes is a radical process that is often indiscriminate (Dihalogenated compounds are possible because radical mechanisms can be extremely unselective)
Bromination is a chemical process in which a compound reacts with bromine, resulting in the addition of bromine to the molecule. After bromination, the result will have different properties from the starting reactant.
Because we are replacing an atom with an atom, the reaction is termed a substitution reaction.
Alkanes are transformed into alkyl bromides when they are treated with bromine () and light. When there are no double bonds, bromination of tertiary carbons is selective.
The reaction of Propane with Bromine:
Here propane reacts with bromine to give Bromo propane and Bromopropane. The main product of a reaction is the one that is the most stable and so most likely to form since secondary carbocations are more stable than the primary carbocations Bromopropane is a major product.
Propene is produced by an elimination reaction when either bromopropane isomer is treated with an alcohol solution of (and are lost as eliminates hydrogen halide).
Therefore from the reaction “X” is Bromopropane and Y is Propene