What is the dominant intermolecular force or bond that must be overcome in converting liquid $C H_{3} O H$ to a gas?

London dispersion force

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Hydrogen bonding

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Dipole-dipole interaction

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Covalent bonds

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Solution

The correct option is B Hydrogen bonding
When $H$ atom is directly linked with oxygen molecule either an inter or the intramolecular hydrogen bonding is formed. In between $C H_{3} O H$ molecules also, intermolecular hydrogen bonding exists.

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Similar questions

Q. Match the following substances with their intermolecular forces:

List-I	List-II
(i) $C H_{4}$	(p) Dispersion Force
(ii) $N C l_{3}$	(q) Hydrogen Bonding
(iii) $C_{4} H_{9} O H$	(r) Dipole-dipole

Q. During evaporation, the molecules in liquids must have sufficient energy to overcome intermolecular forces of attraction.

Match the following:

$\begin{matrix} C o l u m n I & C o l u m n I I (1) . N o n - p o l a r M o l e c u l a r s o l i d s & (i) C o u l o m b i c o r e l e c t r o s t a t i c f o r c e s (2) . H - B o n d e d M o l e c u l a r s o l i d s & (i i) . H - b o n d i n g (3) . I o n i c s o l i d s & (i i i) . M e t a l l i c b o n d i n g (4) . W e a k d i s p e r s i o n f o r c e s & (i v) . W e a k d i s p e r s i o n f o r c e s (5) . M e t a l l i c s o l i d s & (v) . d i p o l e - d i p o l e i n t e r a c t i o n . (v i) . c o v a l e n t B o n d i n g . \end{matrix}$

Match the following:

(1)Non-polar Molecular solids (i) Coulombic or electrostatic forces

(2)H-Bonded Molecular solids (ii) H-bonding

(3)Ionic solids (iii) Metallic bonding

(4)Covalent solids (iv) Weak dispersion forces

(5)Metallic solids (v) dipole – dipole interaction

(vi) covalent Bonding

Match the following:

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What is the dominant intermolecular force or bond that must be overcome in converting liquid CH3OH to a gas?

The correct option is B Hydrogen bondingWhen H atom is directly linked with oxygen molecule either an inter or the intramolecular hydrogen bonding is formed. In between CH3OH molecules also, intermolecular hydrogen bonding exists.

What is the dominant intermolecular force or bond that must be overcome in converting liquid $C H_{3} O H$ to a gas?

The correct option is B Hydrogen bonding
When $H$ atom is directly linked with oxygen molecule either an inter or the intramolecular hydrogen bonding is formed. In between $C H_{3} O H$ molecules also, intermolecular hydrogen bonding exists.