QQuestionChemistry
QuestionChemistry
"The following five species have a bent molecular shape. The central atom is underlined.
[H^2F]+ [IO^2]+ SeH^2 [NO^2]‾ SO^2"
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Answer
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Step 1
Identify the central atom and its surrounding atoms (also known as ligands) in each molecule: - [H^2F]+: The central atom is F, and it is surrounded by two H atoms. - [IO^2]+: The central atom is I, and it is surrounded by two O atoms. - SeH^2: The central atom is Se, and it is surrounded by two H atoms. - [NO^2]‾: The central atom is N, and it is surrounded by two O atoms. - SO^2: The central atom is S, and it is surrounded by two O atoms.
Step 2
Recall the valence electron pairs (VEP) theory, which states that the shape of a molecule is determined by the number of electron pairs (both bonding and nonbonding) around the central atom. The central atom tends to minimize repulsion between these electron pairs, leading to specific molecular shapes.
Final Answer
The bent molecular shapes are [H^2F]+, [IO^2]+, [NO^2]‾, and SO^2.
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