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24 October, 15:09

The corrected statement should read:

Nonpolar compounds such as lipids attract eachother and repel polar molecules like water.

The corrected statement should read:

Water molecules do not interact with nonpolar compounds, which become oriented away from water.

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  1. 24 October, 19:04
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    Given question is incomplete. The complete question is as follows.

    What part of the statement below is incorrect? Rewrite the statement such that it displays the correct reasoning behind why non-polar molecules do not dissolve in water.

    Water molecules repel non-polar substances away from itself. repel needs to be replaced with "do not attract". non-polar needs to be replaced with "polar". away needs to be replaced with "towards". The corrected statement should read: Non-polar compounds such as lipids attract each other and repel polar molecules like water. The corrected statement should read: Water molecules do not interact with non-polar compounds, which become oriented away from water. The corrected statement should read: Water molecules attract polar and non-polar compounds, but the non-polar compounds are "sticky" so they stick together.

    Explanation:

    It is known that like dissolves like. Similarly, a polar molecule will readily combine or dissolve with another polar molecule.

    For example, when sodium chloride is added to water then it will readily dissolve in it because NaCl is ionic in nature and water is polar.

    On the other hand, a non-polar compound will readily combine or dissolve in another non-polar compound.

    For example, acetone will dissolve in hexane.

    Hence, non-polar lipids will also attract each other.

    Therefore, we can conclude that out of the given options the corrected statements are as follows.

    The corrected statement should read: Non-polar compounds such as lipids attract each other and repel polar molecules like water. The corrected statement should read: Water molecules do not interact with non-polar compounds, which become oriented away from water.
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