Compare the properties of each by answering the following questions with molecul

Question

Compare the properties of each by answering the following questions with molecular-polar, molecular-nonpolar, ionic, network covalent and/or metallic solid: Which type of compound has the highest melting point? Which has the lowest melting point? Water: is it polar or non-polar? (clearly you just answer this question, and do not choose from the list) Which types of substances generally dissolve in water? Which types of substances generally do not dissolve in water? Which types of substances will dissolve in cyclohexane (C_6H_12)? Which do not?

Explanation / Answer

1) which type of compound has hghest melting point?

Ans: Ionic & Covalent

2) which has lowest melting point?

Ans: Molecular Non-polar

3) water is polar or non-polar?

Ans: water is Polar molecule.Because oxygen has a higher electronegativity than hydrogen.& other reason is because of the bent shape of the water molecule.

4) which type of substances generally dissolve in water?

Ans: Molecular Polar, ionic,covalent substances.

5) which type of substances generally do not dissolve in water?

Ans: Molecular Non- Polar, metallic solids substances.

6) which type of substances will dissolve in cyclohexane (C9H12)? which do not?

Ans: Molecular Non- Polar substances dissolve in cyclohexane & Ionic, Metallic , Covalent substances do not dissolve in cyclohexane.

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