For a molecule AB2, if no. of lone pairs on A are 3, then, the correct statement for AB2 is AB2 is sp3d hybridised AB2 is linear All are correct
Question
For a molecule AB2, if no. of lone pairs on A are 3, then the correct statement for AB2 is
AB2 is sp3d hybridisedAB2 is linearAll are correct
Solution
The molecule AB2, where A has 3 lone pairs, will have a total of 5 electron pairs around it (2 bond pairs from the two B atoms and 3 lone pairs).
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The hybridization of A in AB2 is determined by the number of electron pairs around it. Since there are 5 electron pairs, the hybridization is sp3d.
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The shape of the molecule is determined by the positions of the atoms and not the lone pairs. The 2 B atoms and 3 lone pairs on A will try to stay as far apart as possible due to electron-electron repulsion. This results in a linear shape for the molecule AB2.
Therefore, both statements are correct: AB2 is sp3d hybridized and AB2 is linear.
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