Answer to Question #136158 in Organic Chemistry for neyola

Question

Identify the type of reaction (addition or substitution), give the structures and the names of the products from the following reactions:
i. But-2-ene + chlorine (1 molecule of each reagent)
ii. Ethane + bromine (1 molecule of each)
iii. 1 molecule But-1-yne + 2 molecules of hydrogen
iv. Cyclohexene + Steam, (H2O), 1 molecule of each with a suitable catalyst
v. Hex-3-ene + hydrogen iodide (1 molecule of each)

Answer 1

i. But-2-ene + chlorine (1 molecule of each reagent)

CH₃-CH=CH-CH₃ + Cl₂ $\to$

CH₃-CHClCHCl-CH₃(2,3-Dichlorobutane) IT is addition reaction

ii. Ethane + bromine (1 molecule of each)

CH₃-CH₃ + Br₂$\to$ CH₃-CH₂Br + HBr

Bromoethane product formed it is substitution reaction

iii. 1 molecule But-1-yne + 2 molecules of hydrogen

CHCCH₂CH₃+2H₂$\to$

CH₃-CH₂-CH_2-CH₃( Butane, addition reaction)

iv. Cyclohexene + Steam, (H2O), 1 molecule of each with a suitable catalyst

v. Hex-3-ene + hydrogen iodide (1 molecule of each)