QQuestionChemistry
QuestionChemistry
What will be the molecular structure of SO^2?
Select the correct answer below:
A. Trigonal planar
B. Trigonal pyramidal
C. Bent
D. Tetrahedral
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Answer
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Step 1:: Understand the problem
We need to determine the molecular structure of sulfur dioxide (SO2). Molecular structure refers to the arrangement of atoms in a molecule.
Step 2:: Recall relevant concepts and formulas
For molecules with central atoms connected to two or more other atoms, the shape can be determined using VSEPR theory (Valence Shell Electron Pair Repulsion). This theory states that electron pairs around an atom will arrange themselves in such a way that they are as far apart from each other as possible, minimizing repulsion.
Step 3:: Apply VSEPR theory to SO^2
Sulfur dioxide (SO2) consists of a central sulfur atom bonded to two oxygen atoms. In addition to these two bonding pairs, there is one lone pair of electrons on the sulfur atom. Thus, there are a total of three electron pairs around the central sulfur atom.
Step 4:: Determine the molecular structure
Using VSEPR theory, we need to determine the arrangement of these three electron pairs. Since there are three electron pairs, they will arrange themselves in a trigonal planar geometry. However, one of these electron pairs is a lone pair, which occupies more space than a bonding pair. This will cause the bonding pairs to move closer together, forming a bent or V shape.
Step 5:: Select the correct answer
Based on the above analysis, the molecular structure of SO^2 is best described as "bent." Therefore, the correct answer is option C.
Final Answer
Based on the above analysis, the molecular structure of SO^2 is best described as "bent." Therefore, the correct answer is option C.
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