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Worksheets3.1.3.7 Forces between molecules
Total questions: 11
Worksheet time: 6mins
Which compound has the highest boiling point?
butanal
butan-2-ol
but-2-ene
1-fluorobutane
Which compound has the highest boiling point?
CH3CH2CH2OH
CH3CH2CHO
CH3COCH3
CH3COOCH3
Which statement about intermolecular forces is not correct?
Intermolecular forces exist between all simple molecules.
Hydrogen bonding occurs between HBr molecules.
Hydrogen bonding is the strongest intermolecular force in liquid ethanol.
Hydrogen bonds occur between C=O and H−N in proteins.
Use your understanding of intermolecular forces to predict which of these compounds has the highest boiling point.
HF
HCl
HBr
HI
Which of these substances does not show hydrogen bonding?
HF
NH3
CH3COOH
CHF3
Which of these substances has permanent dipole-dipole attractions between molecules?
CCl4
C2F4
(CH3)2CO
CO2
Which compound has the highest boiling point?
C2H4
C2H6
CH3NH2
CH3F
Which one of the following statements is not correct?
The first ionisation energy of iron is greater than its second ionisation energy
The magnitude of the lattice enthalpy of magnesium oxide is greater than that of barium oxide.
The oxidation state of iron in [Fe(CN)6]3− is greater than the oxidation state of copper in [CuCl2]−
The boiling point of C3H8 is lower than that of CH3CH2OH
The ester methyl ethanoate is hydrolysed as shown in the following equation.
Which one of the following compounds from the reaction mixture has no hydrogen bonding between its molecules when pure?
CH3COOCH3(l)
H2O(l)
CH3COOH(l)
CH3OH(l)
This question is about the reaction between propanone and an excess of ethane-1,2-diol, the equation for which is given below.
In a typical procedure, a mixture of 1.00 g of propanone, 5.00 g of ethane-1,2-diol and 0.100 g of benzenesulphonic acid, C6H5SO3H, is heated under reflux in an inert solvent. Benzenesulphonic acid is a strong acid.
Which one of the following statements is not true?
Ethane-1,2-diol and water can form hydrogen bonds.
Ethane-1,2-diol is soluble in water.
Propane has a higher boiling point than ethane-1,2-diol.
Y and water are polar molecules.
Predict which one of the following has the highest boiling temperature.
CH3COOCH2CH3
CH3CH2CH2CH2OH
CH3CH2CH2CH2CH3
CH3CH2CH2CHO
