AIPMT MAINS2009Chemistry-Chemical Bonding
AIPMT MAINS 2009 Chemistry Fajan's Rules MCQ Question
Type: MCQ-conceptual-Medium-Class 11
In the case of alkali metals, the covalent character decreases in the order:
A
MF > MCl > MBr > MI
B
MF > MCl > MI > MBr
C
MI > MBr > MCl > MF
D
MCl > MI > MBr > MF
Correct Answer
Option C
Detailed Explanation
The covalent character of alkali metal halides decreases with increasing size and decreasing electronegativity of the halide ion. Therefore, the order is MI > MBr > MCl > MF.
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