Question:
Which of the following contains the maximum number of lone pairs on the central atom?
Which of the following contains the maximum number of lone pairs on the central atom?
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To find the number of lone pairs on the central atom, calculate the total valence electrons, subtract bonding electrons, and divide the remainder by 2.
Updated On: Apr 3, 2025
- ClO−3
- XeF4
- SF4
- I−3
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The Correct Option is D
Approach Solution - 1
- ClO−3: Central Cl atom has 1 lone pair.
- XeF4: Central Xe atom has 2 lone pairs.
- SF4: Central S atom has 1 lone pair.
- I−3: Central I atom has 3 lone pairs.
Thus, I−3 has the maximum number of lone pairs (3) on its central atom.
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Approach Solution -2
Correct Answer:
Option 4: I3-
Explanation:
- ClO3-: 1 lone pair on Cl.
- XeF4: 2 lone pairs on Xe.
- SF4: 1 lone pair on S.
- I3-: 3 lone pairs on the central I.
I3- has the maximum number of lone pairs (3) on the central iodine atom.
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