Question

Complete the following analogy:

NH3 : A: : H2O : B

(a) A: Lone pair – lone pair repulsion B: Lone pair-bond pair repulsion only (b) A: sp3 hybridisation B: sp2 hybridisation (c) A: Two lone pairs of electrons B: One lone pair of electrons (d) A: Trigonal pyramidal B: Bent​

Answer 1

Answer:

"pair" (and any subsequent words) was ignored because we limit queries to 32 words.

Explanation:

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Answer 2

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• Determine the number of lone pairs on the central atom in the molecule, and add the number of bonded atoms (a.k.a. bonding domains)
• This number (the steric number) defines the electronic shape of the molecule by minimizing repulsion. For example a steric number of three gives a trigonal planar electronic shape.
• The angles between electron domains are determined primarily by the electronic geometry (e.g., 109.5° for a steric number of 4, which implies that the electronic shape is a tetrahedron)
• These angles are adjusted by the hierarchy of repulsions: (lone pair - lone pair) > (lone pair - bond) > (bond - bond)