NEET2019Chemistry-Hydrocarbons
NEET 2019 Chemistry Alkenes MCQ Question
Type: MCQ-conceptual-Hard-Class 11
An alkene ‘A’ on reaction with O₃ and Zn⁻H₂O gives propanone and ethanol in equimolar ratio. Addition of HCl to alkene ‘A’ gives ‘B’ as the major product. The structure of product ‘B’ is ________.
A
H₃C−CH₂−CH=CH₂
B
H₃C−CH₂−C−CH₃ | Cl
C
H₃C−CH−CH | Cl CH₃
D
Cl−CH₂−CH₂−CH=CH₂
Correct Answer
Option C
Detailed Explanation
The ozonolysis products suggest the alkene is bu-ene. Addition of HCl follows Markovnikov's rule, giving²⁻chlorobutane.
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