Which of the following statements concerning intermolecular forces is/are CORREC

Question

Which of the following statements concerning intermolecular forces is/are CORRECT?

1.) dipole-dipole attractions occur in all molecules that contain polar bonds, regardless of whether the molecule has a dipole.

2.) Induced dipole/ induced dipole forces exist in all molecular solids.

3.) hydrogen bonding only occurs in all molecules containing OH bonds

a. 1 only

b. 2 only

c. 3 only

d. 1 and 2

e. 1,2, and 3

The teacher told us that the answer is B, however I don't understand why " 1 " can't be correct. Can someone give me an explanation as to why it is wrong.

Explanation / Answer

1) dipole-dipole attractions occur in all molecules that contain polar bonds, regardless of whether the molecule has a dipole : incorrect

Example : CO2 or CCl4

They have polar bonds however they have net zero dipole moment due to their geometries.

So they will not have dipole-dipole interactions

2) Induced dipole/ induced dipole forces exist in all molecular solids.: correct

3) Hydrogen bond is formed between a hydrogen atom directily attached to F, N or O with other atom of F, N or O

so hydrogen bond can also occur in moleucles with HF bond or NH bonds

the above statement is incorrect

Answer: only b is correct

Related Questions

Navigate

• Browse (All)
• Browse W
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.