QUESTION 8 10 points Why are ionic substances (electrolytes) soluble in water an

Question

QUESTION 8 10 points Why are ionic substances (electrolytes) soluble in water and covalent substances are not? What are the differences between strong and weak electrolytes? (Match the statements with the correct response). lonic substances dissolve in water A dissociate incompletely. because. B. because both have positive and negative charges. C-dissociate completely. D one is polar and the other is non-polar. Covalent substances don't dissolve in water because.. L-K B Strong electrolytes Weak electrolytes..

Explanation / Answer

When ionic compound is put into water , the molecules of wter are actually attracted to the separate ion in the compound .Essentially the positive water molecules stick to the negative ions of the compound and the negative water molecules stick to positive ions .Hence IONIC COMPOUNDS are dissolved in water easily.

Covalents compounds are generally non-polar ,whereas water is polar. Hence there is no attraction between water and covalent compounds instead form a separate layer over water itself.

STRONG electrolytes dissociate completely in water .

WEAK electrolyte does not dissociate competely in water .

Answers of match the following

Ionic substances dissolve in water because ------------- B

Covalent substances don't dissolve in water because -------------- D

Strong electrolytes ---------------------------------------------C

Weak electrolytes -----------------------------------------------A

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