题目
题目

CHEM1011 (ND) Lecture quiz: Week 6

匹配题

Match the following descriptors about a central atom in a molecule to its shape as described by VESPR 1: 3 Connected Atoms, No Lone Pairs 2: 3 Connected Atoms, One Lone Pair 3: 4 Connected Atoms , No Lone Pairs

选项
A.Trigonal Planar
B.Trigonal Pyramidal
C.Tetrahedral
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标准答案
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思路分析
Let's lay out the task in our own terms: we are matching each descriptor of a central atom to the corresponding molecular shape in VSEPR. Option 1 describes a central atom with 3 connected atoms and no lone pairs. When three atoms are bonded to the central atom and there are no nonbonding electron pairs, the electron geometry and the molecular geometry are both trigonal planar, with bond angles ab......Login to view full explanation

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