4:11 PM Old Dominion University Pad * 76% Question Completion Status: QUESTION 1

Question

4:11 PM Old Dominion University Pad * 76% Question Completion Status: QUESTION 1 4 points Save Answer Fill in the type of electrolyte for each compound. Write strong electrolyte weak electrolyte, or non-electrolyte. Sodium Chloride Acetic acid (weak acid) Hydrochloric acid (strong acid) C6H1206 QUESTION 2 2 points Save Answer Select the properties of a covalent bond. Select ALL that apply, meaning more than one answer may be correct. High melting point. Not able to conduct electricity in molten/aqueous state When soluble forms ions in solution Involves the sharing of electrons between two nuclei QUESTION 3 2 points Save Answer Select the properties of an ionic bond. Select ALL that apply, meaning more than one answer may be correct High melting point Not able to conduct electricity in molten/aqueous state When soluble, forms ions in solution. Electrostatic attraction between two oppositely charged ions. QUESTION 4 2 points Save Answer You have 6 unknown solids in this experiment: Sodium Chloride, Citric Acid Dextrose, Granular paraffin, Copper(II) sulfate (anhyrous), and Sodium Sulfate. Match the unknown solid with the melting point. Sodium Chloride I. 884 C Click Save and Submit to save and submit. Click Save All Answers to save all answers. Save All Answers Close Window Save and Submit

Explanation / Answer

Q1

acetic acid will not dissoocaite 100% just partially, therefore it is just a mld/weak electrolye.

Hydrochloric acid is strong, will form 100% H+ + Cl- in solution,so this is strong electroyte

finally

C6H12O6 is molecular, will be soluble but will not form ions in solution, not at all, therefore, no e- will flow, this is non-electrolyte

Q2

covalent bond is mainly = (unequal/equal )share of electrons to form bonding

a)

not that high as ionic compounds, do not choose

b)

true, they will not be able to conduce e-, since there is only nometal-nonmetal bonding

c)

false, they are molecular, will not form ions, rather molecules alone

d)

true, they must share e- between them to form bonding

Q3

ionic bond --> formed by cation + anion interaction

a) true, since high melting point will be reuqired to break such interactions

b)

false, since they will actually conduct e-

c) true, they form cation/ion in water

d) true, positive and negative ions will form interaction

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