Choose the selection which correctly identifies the forces which must be overcom

Question

Choose the selection which correctly identifies the forces which must be overcome to convert from a liquid to a gas. a) Only London dispersion forces must be overcome. b) Only dipole-dipole forces must be overcome. c) Only London dispersion and dipole-dipole forces must be overcome. d) Only London dispersion and hydrogen-bonding forces must be overcome. e) London dispersion, dipole-dipole, and hydrogen-bonding forces must be overcome. Choose the selection which lists the following substances in order of increasing boiling (lowest boiling substance listed first): Ne, C_3H_8, and CI_2 a) C_3H_8

Explanation / Answer

1.

correct answer option 1

only london disperson forcess must be overcome.

explanation

CCl4 doent have any dipole moment its a non polar molecule and it can have only london force of attractions

so to convert in t gas it should just overcome these forcess

2.

option e is correct answer

Ne < C3H8 < Cl2

here all are gaseous

gas with lowest molecular weight is least than highest boiling point

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