Chemistry, 30.05.2020 09:57 makayla10119

(Multiple Choice, 30 pts)

A student wants to determine whether an unknown solid is an ionic compound. He puts some in water and finds that it does not dissolve. He says that this proves the solid is ionic. Which best evaluates the student's reasoning?

A. He is incorrect, because water can dissolve ionic solids.
B. The test proves nothing, because water dissolves all solids.
C. He is correct, because polar liquids cannot dissolve ionic solids.
D. The test proves nothing, because it only shows that the solid is a compound.

(I know water is polar, so I think its a?)

Answers: 3

Show answers

Other questions on the subject: Chemistry

Chemistry, 21.06.2019 14:20, kingaman

Which of the following statements is not true? • a. covalent compounds have low melting and boiling points. • ob. covalent bonds between atoms of a compound are relatively weak compared to bonds between molecules. • c. covalent bonds occur between nonmetals. • d. covalent compounds are often gases or liquids.

Answers: 2

continue

Chemistry, 22.06.2019 07:30, avisconti571

Label a-f based on the table using c for concentrated and d for dilute

Answers: 2

continue

Chemistry, 22.06.2019 10:00, ellaemtagedeane

Nonpoint source pollution is difficult to control because it

Answers: 2

continue

Chemistry, 22.06.2019 12:30, hala201490

Place the elements below in order of decreasing ionization energy. aluminum(al) chlorine(cl) magnesium (mg) sulfur(s)