Question:
What is shape of interhalogen compound so that central halogen exhibits +3 oxidation state?
What is shape of interhalogen compound so that central halogen exhibits +3 oxidation state?
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$XX'_3$ (e.g., $ClF_3$) is always T-shaped due to 2 lone pairs on the central atom.
Updated On: Apr 30, 2026
- Tetrahedral
- Bent 'T' shape
- Square pyramidal
- Square planar
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The Correct Option is B
Solution and Explanation
Step 1: Identify Formula
An oxidation state of $+3$ corresponds to $XX'_3$ type compounds (e.g., $ClF_3$).
Step 2: VSEPR Theory
In $XX'_3$, the central atom has 7 valence electrons. 3 are used for bonding, leaving 2 lone pairs. Total electron pairs = 5 ($sp^3d$ hybridization).
Step 3: Geometry
For 3 bond pairs and 2 lone pairs, the geometry is Trigonal Bipyramidal, but the molecular shape is T-shaped.
Step 4: Conclusion
The shape is Bent 'T' shape.
Final Answer:(B)
An oxidation state of $+3$ corresponds to $XX'_3$ type compounds (e.g., $ClF_3$).
Step 2: VSEPR Theory
In $XX'_3$, the central atom has 7 valence electrons. 3 are used for bonding, leaving 2 lone pairs. Total electron pairs = 5 ($sp^3d$ hybridization).
Step 3: Geometry
For 3 bond pairs and 2 lone pairs, the geometry is Trigonal Bipyramidal, but the molecular shape is T-shaped.
Step 4: Conclusion
The shape is Bent 'T' shape.
Final Answer:(B)
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