Question:
Among \(XeO_3F_2\), \(ICl_2^-\), \(ClO^-\) and \(SO_3^{2-}\), the number of species having three lone pairs of electrons on the central atom according to VSEPR theory is:
Among \(XeO_3F_2\), \(ICl_2^-\), \(ClO^-\) and \(SO_3^{2-}\), the number of species having three lone pairs of electrons on the central atom according to VSEPR theory is:
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Find the steric number and lone pair count on the central atom of each species using VSEPR/AXE notation.
Updated On: Jul 3, 2026
- 3
- 0
- 4
- 2
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The Correct Option is D
Solution and Explanation
Step 1: XeO3F2: AX5E0, 0 lone pairs.
Step 2: ICl2-: 8 valence electrons on I, 2 bonds use 2, leaving 3 lone pairs.
Step 3: ClO-: 8 valence electrons on Cl, 1 bond uses 1, leaving 3 lone pairs.
Step 4: SO3(2-): AX3E1, only 1 lone pair.
Step 5: 2 species (ICl2-, ClO-) have exactly 3 lone pairs.
\[\boxed{(D)\ 2}\]Was this answer helpful?
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