Identity Z in the sequence of reactions, CH _3 CH _2 CH = CH _2 HBr / H _2 O _2 Y C _2 H _5 ONa Z

NEET 2014 Chemistry question

Identity Z in the sequence of reactions,

(1)Correct
(2)
(3)
(4)

Answer: (1)

Solution

Step 1: In the presence of a peroxide () HBr adds to an unsymmetrical alkene by a free-radical mechanism (Kharasch/peroxide effect), i.e. anti-Markovnikov: the bromine attaches to the carbon with more hydrogens. $CH_3CH_2CH=CH_2 + HBr →

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Question ID VK-091563