Q.
The number of hypervalent species among the following: ClO4⊖,BF3,SO42−,CO32− is
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answer is 2.
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Detailed Solution
Compounds or species in which the central atoms have more than an octet of electrons (i.e. 8 e's), such compounds with as expanded octet are called hypervalent compounds.Thus species (i) CIO4⊝ and (ii) SO42- are hypervalent species.
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