Classify each of the solutes as covalent or ionic (yes/no). Which solutes would

Question

Classify each of the solutes as covalent or ionic (yes/no). Which solutes would you classify as nonpolar? What property do the covalent solutes have in common? Vitamins are classified as water-soluble or fat-soluble. How would you classify the two vitamins you tested? Acetic acid is a covalent compound, but when dissolved in water it is a weak electrolyte. How would you explain this phenomenon? Did you see any change in the color of the indicator in the carbonated water after heating? Explain this result.

Explanation / Answer

1) Classification whether it is covalent or ionic

Sucrose C12H22O11 - Covalent

Iodine, I2 - Covalent

Ammonium Chrolide, NH4Cl - Ionic

Calcium Chloride, NaCl - Ionic

Potassium Permanganate, KMnO4- Ionic

Cholesterol - Covalent

Ascorbic acid (Vitamin C) - Covalent

Ethanol, C2H5OH - Covalent

Vegetable Oil - Covalent

Vitamin E - Covalent (3 non-metals)

Hexane, C6H14 - Covalent

1) These are non-polar solutes from the above given data.

Iodine (I2), Ammonium Chloride (NH4Cl), Cholesterol, Vegetable Oil, Vitamin E, Hexane

2) * These Covalent solutes are poor conducors of heat and Electricity.

* These are brittle or cleave.

4) In the case of acetic acid (CH3COOH), it has partial positive end created in Hydrogen atom (H+) and partial negative end created in O atom (CH3COO-). So most of the acetic acid molecules are undissociated molecules. only few molecules of acetic acid dissociates into ions which makes it is a weak electrolyte.

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