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Musya8 [376]
3 years ago
15

Which is true about dissolving a polar substance in water

Chemistry
2 answers:
Tcecarenko [31]3 years ago
8 0
The list of the answer choices is missing.

I did some research in internet and found this is the complete question, including the answer choices:

<span>Which is true about dissolving a polar substance in water?

A. The solvent particles are all nonpolar molecules.
B. The solute particles are carried into the solution.
C. The solute particles have no attraction for the solvent molecules.
D. The solute particles are very different from the solvent molecules.

The right answer is the option B. The solute particles are carried into the solution.

Let's review each choice.</span><span>

A. The solvent particles are all nonpolar molecules.

False

The solvent is water, and water is a polar solvent. This is, due to the difference in electronegativity of the atoms of H and O, the bonds form dipoles (the O atoms have a partial negative charge and the H atoms have a partial positive charge). And, since the molecule is not symmetrical those dipoles yield a polar molecule.

B. The solute particles are carried into the solution.

That is true: being the solute a polar substance the negative endings of the solute  will be attracted by the partially positive H of water, and the positive endings of the solute will be attracted by the partially negative O of water, meaning that the molecules of water will surround the particles of solute.

C. The solute particles have no attraction for the solvent molecules.

As per the explanations given above this is false.

D. The solute particles are very different from the solvent molecules.

False, because the solute particles are similar to the solvente molecules in that both of them are polar.
</span>
kiruha [24]3 years ago
3 0

Answer:

option B

Explanation:

just took exam on E2020

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