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 correctly describes NaCl?
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Its charge is evenly distributed
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It is a polar molecule
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It is ionic, and its charges are distributed unevenly
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Explanation:
Detailed explanation-1: -Polar covalent molecules exist whenever there is an asymmetry, or uneven distribution of electrons in a molecule. One or more of these asymmetric atoms pulls electrons more strongly than the other atoms.
Detailed explanation-2: -Hence, sodium chloride is polar in nature. Q.
Detailed explanation-3: -POLAR MOLECULE: asymmetrical molecule with uneven charge distribution.
Detailed explanation-4: -In sodium chloride, the atoms sodium and chloride are bonded to each other with ionic bonds. Due to the large difference in electronegativity of Sodium ( Na+ ) and Chloride ( Cl− ) ions, therefore sodium chloride which is an ionic compound behaves like a polar molecule.
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