EASY
AS and A Level
IMPORTANT
Earn 100
The table lists bond lengths and bond energies of some hydrogen halides.
Hydrogen halide
Bond length /
Bond energy /
Describe the relationship between the bond length and the bond energy for these hydrogen halides.
Important Questions on Chemical Bonding
EASY
AS and A Level
IMPORTANT
The table lists bond lengths and bond energies of some hydrogen halides.
| Hydrogen halide | Bond length / | Bond energy / |
Suggest why the bond energy values decrease in the order .
EASY
AS and A Level
IMPORTANT
The table lists bond lengths and bond energies of some hydrogen halides.
| Hydrogen halide | Bond length / | Bond energy / |
Suggest a value for the bond length in hydrogen fluoride, .
MEDIUM
AS and A Level
IMPORTANT
Predict, using VSEPR theory, the shape of tetrachloromethane, molecule, draw dot-and-cross diagram for the covalently bonded molecule.
MEDIUM
AS and A Level
IMPORTANT
Predict, using VSEPR theory, the shape of beryllium chloride, molecule, draw dot-and-cross diagram for the covalently bonded molecule.
MEDIUM
AS and A Level
IMPORTANT
Predict, using VSEPR theory, the shape of phosphorus(III) chloride, draw dot-and-cross diagram for the covalently bonded molecule.
MEDIUM
AS and A Level
IMPORTANT
Draw dot-and-cross diagram for hydrogen sulphide, molecule and then predict the shape.
MEDIUM
AS and A Level
IMPORTANT
Draw dot-and-cross diagram for phosphine, molecule and then predict the shape.
EASY
AS and A Level
IMPORTANT
Draw dot-and-cross diagram for a molecule of selenium hexafluoride, . A single selenium atom has six electrons in its outer shell.
