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WorksheetsIntermolecular forces
Total questions: 20
Worksheet time: 19mins
The boiling point of SnH4 is higher than CH4 because?
SnH4 can form H bonds but CH4 cannot
Intermolecular forces between molecule is stronger in SnH4 than in CH4
SnH4 is a polar molecule but CH4 is non-polar molecule
Size of SnH4 molecule is larger than CH4
Which of the following diatomic molecules has the strongest van der Waals forces?
F2
Cl2
Br2
I2
Which of the following sets are arranged in the order of increasing boiling point?
NH3, CH4, HF, H2O
CH4, NH3, HF, H2O
H2O, HF, NH3, CH4
CH4, HF, NH3, H2O
Which of the following compounds is insoluble in water?
NH3 (ammonia)
CH3OH (methanol)
CH3COOH (methanoic acid)
CH4 (methane)
which of following statements is not true about ice?
Open structure is hexagonally structure of ice
Ice has a giant covalent structure
Open structure cause the ice become less dense than water
Hydrogen bond network could results in a greater volume of ice
Which of the following can form hydrogen bonding?
HF
CH4
H2S
HCN
which of following forces is the weakest intermolecular force?
Ionic bond
Hydrogen bond
Covalent bond
van der Waals forces
Choose the correct statement about ammonia
Ammonia cannot dissolve in water
Ammonia have higher boiling point than water
Ammonia can form hydrogen bonds between molecules
Ammonia can form gigantic structure
What factor that influence the strength of van der Waals forces for all above?
Molecular size
Polarity
Molar mass
Molecular shape
ICl has higher boiling point compare to Br2.
What is the factors that influence the strength of van der Waals forces?
Molecular size
Polarity
Molar mass
Molecular shape
Which statement is correct for solubility?
Most organic compound can soluble in water
Only molecule that can form hydrogen bonds with water molecule can soluble
hydroxyl (-OH) group prevent the molecule to soluble
Large hydrophobic area help molecule soluble easily in water
Between element Na, Mg, Al, O, F, K and Cl which can have a metallic bond?
Na, Mg, Al, K
Na, Mg, K, Cl
Mg, Al, F, K
O, F, Cl
Which of the following metals has the lowest melting point?
Aluminium
Silicon
Potassium
Magnesium
Which characteristic is a property of metallic substances?
No electrical conductivity because there are no free moving electrons
Not malleable because the particles cannot slide pass one another
high solubility
high boiling point
Which of the following statements about metallic bonding is false?
The strength of metallic bonds is proportional to the number of valence electron
Valence electrons are free to move throughout the metal structure
The boiling points of metals are not influenced by metallic bonding
The delocalised valence electrons give rise to excellent thermal conductivity
Which substance has cations bonded together by sea of mobile electrons?
S8
Ag
AgCl
P4
•X is made up of atoms that are covalently bonded to other atoms at neighboring lattice sites.
•Each X is tetrahedrally bonded to 4 other silicon atoms.
•Melting and boiling point of X is very high because of the strong attractions between covalently bonded atoms.
X can be classified as?
Simple molecular structure
Gigantic molecular structure
Metallic structure
Going down the Group 17, the size of atom increase and the Van der Waals forces becomes stronger. Metallic character increase,
Boiling point increase
Boiling point decrease
Melting point decrease
Melting and boiling point increase
•L has 2 valence electron while M has 1 valence electrons.
•The metallic bond of L is stronger than M.
•Hence, L has _______________ than M.
higher boiling point and melting point
lower boiling point and melting point
Arrange the boiling point of simple molecular structure in ascending order.
S < P < Cl < Ar
Ar < Cl < P < S
P < S < Cl < Ar
Ar < Cl < S < P
