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WorksheetsHydrogen, Dative and Metallic bonds
Total questions: 8
Worksheet time: 4mins
Hydrogen bond is an attraction force between hydrogen atom that bonded atom X, with oxygen atom, fluorine atom or nitrogen atom. What is atom X?
Hydrogen
Oxygen
Carbon
Sulphur
Which of the following molecules does not have the hydrogen bond between the molecules?
Water
Ammonia
Carbon dioxide
Hydrogen fluoride
Why do hair sticks together when it is wet?
Because there are hydrogen bonds between water molecules with the protein molecules in the hair.
Because there are covalent bonds between water molecules and protein molecules.
Because the water adhesive force is greater than the repulsion force.
Because the Van der Waals forces between molecules are formed.
Which of the following phenomena is due to the presence of hydrogen bond?
Easy to flip the pages in a book when fingertip is wet.
Burning of hydrogen gas in oxygen gas.
Lower the melting point of ethanol.
Salt is able to dissolve in water.
Ethanol is a covalent compound that can dissolve in water. Which of the following explain the solubility of ethanol in water?
Ethanol molecules ionise in water.
Ethanol molecules form hydrogen bonds with water molecules.
Ethanol molecules form dative bonds with water molecules.
Ethanol molecules donate electron to water molecules.
Which of the following compound from hydrogen bond between molecules?
NH3
PH3
H2S
HCl
Ethanol is soluble in water because ethanol molecules form
covalent bonds with water molecules
ionic bonds with water molecules
hydrogen bonds with water molecules
dative bonds with water molecules
Which of the following statement best explains why carbon dioxide has a lower boiling point than water.
The relative molecular mass of carbon dioxide bigger than that in water
The covalent bond in carbon dioxide is stronger than that in water.
Carbon dioxide is a covalent compound while water is an ionic compound.
Water forms hydrogen bonds between molecules whereas carbon dioxide does not.
