QQuestionChemistry
QuestionChemistry
"Of these molecules, the bond in ____ is most polar:
A. HBr
B. HI
C. HCl
D. HF
E. H₂"
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Answer
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Step 1: To determine the polarity of a bond, we need to look at the difference in electronegativity between the two atoms in the bond.
A larger difference in electronegativity results in a more polar bond.
Step 2: Let's look up the electronegativity values for the atoms in each of these molecules.
We can use the Pauling scale, which assigns a value to each element. The values are as follows: - Hydrogen (H): 2.20 - Fluorine (F): 4.00 - Chlorine (Cl): 3.16 - Bromine (Br): 2.96 - Iodine (I): 2.66
Final Answer
The bond in molecule D, HF, is the most polar.
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