Question

8. 1.5/4 points || Previous Answers | WERTZCAMS3 7.P.026. Pick the compound in each pair with the higher melting point and choose the force that is the main reason for the difference. You must get both the substance and the force correct to get credit for each part. (a) substance: o kr a HBr force: c dispersion forces dipolar forces hydrogen bonds clonic bonds covalent bonds (b) substance: CH3OH C2H5OH force: dispersion forces dipolar forces hydrogen bonds ionic bonds covalent bonds (c) substance: o PF3 PH3 force: dispersion forces dipolar forces hydrogen bonds ionic bonds covalent bonds (d) substance: Br2 Cl2 force: c dispersion forces cdipolar forces hydrogen bonds ionic bonds covalent bonds

Answer 1

Answer:-

The melting point depends on the strength if intermolecular forces.ie. Stronger the forces, higher will be melting point.

(a). HBr

dipolar forces because it is a polar covalent compound

(b). C₂H₅OH

Hydrogen bond

(c). PF₃

dipolar

(d). Br₂

dispersion forces