STANDARDChemistry-Haloalkanes and Haloarenes
STANDARD Chemistry Reactivity of Hydrogen Halides MCQ Question
Type: MCQ-conceptual-Medium-Class 12
Arrange the following hydrogen halides in order of their decreasing reactivity with propene.
A
HCl > HBr > HI
B
HBr > HI > HCl
C
HI > HBr > HCl
D
HCl > HI > HBr
Correct Answer
Option C
Detailed Explanation
The order of reactivity of the hydrogen halides is HI > HBr > HCl. As the size of halogen increases, the strength of H-X bond decreases and hence, reactivity increases.
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