Complete the following reactions. Br2 H2 Pd/C HCI 1. BH3 2. H202/NaOH

Question

Question

Answer 1

Answer #1

H.C CH CH CH 1 Br2 OH CH CH give 4-bromohexan-3-ol CH CH H.C CH 2 Br2 3,4-dibromohexane CH CH 3 n-hexane н.с н.с CH 4 3-chlor

1)

hex-3-ene react with Br2 to give cyclic bromonium ion then it will react with water molecule

followed by deprotonation to give 4-bromohexan-3-ol. water molecule acts as nucleophile

2)

hex-3-ene react with Br2 to give cyclic bromonium ion then it will react with Br-

to give 3,4-dibromohexane

3) hex-3-ene reduced with Pd/C H2 (via Syn hydrogenation reaction) to give n-hexane

4)- H added to double bond of hex-3-ene to give carbocation followed by nucleophilic addition to give 3-chlorohexane. Cl- act as nucleophile

5) Hydroboration are converts alkene into a alcohol Via Anti markovnikov addition ,regioseltctive and Syn stereochemistry

hex-3-ene react with BH3 to give boron complex followed by oxidation and hydrolysis to hexan-3-ol

Answer 2

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