Problem:  Which of the following statements is not true for these compounds? SF 4 (MW 108),  CH3CH2CH2CH2COOH (MW 102) SiF4 (MW 104) are sulfur tetrafluoride, pentanoic acid and silicon tetrafluoride respectively. a) SF 4 has London forces and dipole-dipole forces.b) Hydrogen bonding occurs between neighboring pentanoic acid molecules.c) Sulfur tetrafluoride has the strongest total intermolecular forces.d) Pentanoic acid has the largest heat of vaporization.e) At a temperature where all the compounds exist as a liquid, silicon tetrafluoride has the highest vapor pressure.

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 Which of the following statements is not true for these compounds? SF 4 (MW 108),  CH3CH2CH2CH2COOH (MW 102) SiF4 (MW 104) are sulfur tetrafluoride, pentanoic acid and silicon tetrafluoride respectively. 

a) SF 4 has London forces and dipole-dipole forces.

b) Hydrogen bonding occurs between neighboring pentanoic acid molecules.

c) Sulfur tetrafluoride has the strongest total intermolecular forces.

d) Pentanoic acid has the largest heat of vaporization.

e) At a temperature where all the compounds exist as a liquid, silicon tetrafluoride has the highest vapor pressure.

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