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Worksheets3.1.3 Bonding
Total questions: 39
Worksheet time: 20mins
Element Q forms a sulfate with formula QSO4
Which of these could represent the electronic configuration of an atom of Q?
[Ne]3s1
[Ne]3s2
[Ne]3s23p1
[Ne]3s13p2
What is the formula of calcium nitrate(V)?
CaNO3
Ca(NO3)2
Ca2NO2
Ca(NO2)2
What is the formula of calcium nitrate(III)?
CaNO3
Ca(NO3)2
Ca2NO2
Ca(NO2)2
Which of these statements best describes a dative covalent bond?
A pair of electrons shared between two atoms where each atom has donated one electron.
A pair of electrons shared between two atoms where one atom has donated two electrons.
Two pairs of electrons shared between two atoms where each atom has donated one electron.
Two pairs of electrons shared between two atoms where each atom has donated two electrons.
Which type of bond is formed between N and B when a molecule of NH3 reacts with a molecule of BF3?
Ionic.
Covalent.
Co-ordinate.
Van der Waals.
Which one of the following does not contain any delocalised electrons?
poly(propene)
benzene
graphite
sodium
Which is the correct crystal structure for the substance named?
Substance: Iodine Structure: Simple molecular
Substance: Diamond Structure: Ionic
Substance: Sodium chloride Structure: Giant covalent
Substance: Graphite Structure: Metallic
Which substance exists as a macromolecule?
Cu
SiO2
P4O10
MgO
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.
Which one of the following does not contain any delocalised electrons?
poly(propene)
benzene
graphite
sodium
Which species has a shape that is influenced by the presence of one or more lone pairs of electrons around the central atom?
AlCl3
ClF3
IF6+
PCl6–
Which species has one or more bond angle(s) of 90°?
CH4
NH4+
ClF4−
AlCl4−
Which is the most likely bond angle around the oxygen atom in ethanol?
104.5°
109.5°
120°
180°
Which of these species is not planar?
HCHO
CH3+
CH3OH
C2H4
Which of these species has a trigonal planar structure?
PH3
BCl3
H3O+
CH3−
In which one of the following species is the shape influenced by the presence of one or more lone pairs of electrons?
NH2-
NH4+
[CH3NH3]+
[Co(NH3)6]2+
Which one of the following molecules is not planar?
BF3
NCl3
C2H4
HCHO
Which one of the following ions has three lone pairs of electrons around the central atom?
BF2-
NH2-
ClF2-
PF6-
Which one of the following is the most likely value for the bond angle α shown in the diagram of SF4?
118°
101°
90°
88°
Which one of the following molecules or ions is pyramidal in shape?
BF3
CH3+
CH3-
SF3-
Which one of the following has a shape which is not influenced by a lone pair of electrons?
CH3OH
H2F+
BF3
NF3
Which molecule does not have a permanent dipole?
CH3Br
CH2Br2
CHBr3
CBr4
Which diagram shows the correct bonding and correct bond polarity in a molecule of oxygen difluoride?
Which molecule does not have a permanent dipole?
CH3Cl
CHCl3
CF4
CHCl2F
Which molecule is the least polar?
Bromomethane
Dibromomethane
Tribromomethane
Tetrabromomethane
Which of these atoms has the highest electronegativity?
Na
Mg
Cl
Ar
Which molecule has the largest dipole?
ClF3
BF3
SF6
CF4
Which one of the following bond polarities is not correct?
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
