The substances have to be arranged in the order of increasing boiling point and the reason should be given. Concept introduction: ‘Like dissolves like’ principle said that polar compounds including ionic compound should be more soluble in polar solvent. Likewise, non-polar compound should be more soluble in non-polar solvent. Other hand, compounds with similar intermolecular force capability to soluble in one another because solute-solvent interactions are similar signification to the solute-solute interaction. ‘ The set of repulsive and attractive force between molecules that result from the polarity between neighboring molecules is represented as intermolecular force. There are four types of intermolecular forces: Hydrogen bonding London dispersion force Ion – dipole force Dipole – Dipole force Hydrogen bond: Hydrogen is bonded to strong electronegative atom like oxygen, nitrogen etc.
The substances have to be arranged in the order of increasing boiling point and the reason should be given. Concept introduction: ‘Like dissolves like’ principle said that polar compounds including ionic compound should be more soluble in polar solvent. Likewise, non-polar compound should be more soluble in non-polar solvent. Other hand, compounds with similar intermolecular force capability to soluble in one another because solute-solvent interactions are similar signification to the solute-solute interaction. ‘ The set of repulsive and attractive force between molecules that result from the polarity between neighboring molecules is represented as intermolecular force. There are four types of intermolecular forces: Hydrogen bonding London dispersion force Ion – dipole force Dipole – Dipole force Hydrogen bond: Hydrogen is bonded to strong electronegative atom like oxygen, nitrogen etc.
Solution Summary: The author explains that the boiling point of a substance depends on the kind of intermolecular force present in it.
The substances have to be arranged in the order of increasing boiling point and the reason should be given.
Concept introduction:
‘Like dissolves like’ principle said that polar compounds including ionic compound should be more soluble in polar solvent. Likewise, non-polar compound should be more soluble in non-polar solvent. Other hand, compounds with similar intermolecular force capability to soluble in one another because solute-solvent interactions are similar signification to the solute-solute interaction.
‘The set of repulsive and attractive force between molecules that result from the polarity between neighboring molecules is represented as intermolecular force. There are four types of intermolecular forces:
Hydrogen bonding
London dispersion force
Ion – dipole force
Dipole – Dipole force
Hydrogen bond: Hydrogen is bonded to strong electronegative atom like oxygen, nitrogen etc.
6. Describe concisely a chemical test to distinguish between the following pairs of
compounds.
(a)
n-pentanol and 3-methylpentan-3-ol
(b)
Ethanal dan pentanal
(c)
Phenol and benzoic acid
Arrange these compounds in order of increasing boiling point (values in °C are -42,
-24, 78, and 118).
(a) CH,CH,OH
(b) CH,OCH,
(c) CH,CH,CH,
(d) CH,COOH
For each pair of compounds, predict which compound has a higher boiling point. then explain why that compound has a higher boiling point.
(a) isopropyl bromide and n-butyl bromide
(b) isopropyl chloride and tert-butyl bromide
(c) 1-bromobutane and 1-chlorobutane
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