BIOCHEMISTRY
POLAR AND NONPOLAR MOLECULES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which statement about electronegativity differences is correct?
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Nonpolar covalent bonds are below 0.5, polar covalent bonds are above 0.5 but below 2.1, and ionic bonds are above 2.1.
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Polar covalent bonds are below 0.5, nonpolar covalent bonds are above 0.5 but below 2.1, and ionic bonds are above 2.1.
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Ionic bonds are below 0.5, polar covalent bonds are above 0.5 but below 2.1, and nonpolar covalent bonds are above 2.1.
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Nonpolar covalent bonds are above 0.5, polar covalent bonds are below 0.5 but above 2.1, and ionic bonds are below 2.1.
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Explanation:
Detailed explanation-1: -In general the electronegativity difference must be 0.5 or more before the bond is labeled as a polar covalent bond instead of nonpolar covalent bond. The relationship between electronegativity difference (
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