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Among the following species, identify the isostructural pairs: NF₃, NO₃⁻, BF₃, H₃O⁺, HN₃ options are 1-[NF₃, NO₃⁻] and [BF₃, H₃O⁺] 2-[NF₃, HN₃] and [NO₃⁻, BF₃] 3-[NF₃, H₃O⁺] and [NO₃⁻, BF₃] 4-[NF₃, H₃O⁺] and [HN₃, BF₃] |
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Answer» Solution:- Isostructural species are those which are in geometry as WELL as hybridization (a) NF 3 Number of lone pairs = 1 No of bond pairs = 3 Hybridization = sp 3 Geometry = Tetrahedral ( Trigonal pyramidal) (b) NO 3- Number of lone pairs = 0 No of bond pairs = 3 ( only sigma BONDS must be counted ) Hybridization = sp 2 Geometry = Trigonal planar (C) B F 3 Number of lone pairs = 0 No of bond pairs = 3 Hybridization = sp 2 Geometry = Trigonal planar (d ) H 3 O + Number of lone pairs = 1 No of bond pairs = 3 Hybridization = sp 3 Geometry = Tetrahedral ( Trigonal pyramidal)
( E ) HN3 The central N ATOM is sp hybridised and the other two are sp 2 hybridised Hybridization = sp Geometry = linear Refer the attachment for its structure Answer:-3 -[NF₃, H₃O⁺] and [NO₃⁻, BF₃]
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