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What is the correct order of bond angle for O-P-X in the given molecules?

Chirag
bond angle, O-P-X, What is the correct order of bond angle for O-P-X in the given molecules?,
 
Solution: Bond angle is inversely proportional to electronegativity of substituents.
 
i.e., Electronegativity of side atom increase then the bond angle (X-P-X) decreases.
 
So, X-P-X or F-P-F bond angle is least in POF3. That’s why the O-P-F is maximum.
 
 
Hence, the correct order of bond angle for O-P-X in the given molecules is:
 
I > II > III > IV
 
Option 1 is correct.
 
Read More: Circle represents most basic atoms in these molecule. Which of the following is correct representation?
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