Covalent Compounds of Carbon
Chemistry ⇒ Carbon and Organic Chemistry
Covalent Compounds of Carbon starts at 8 and continues till grade 12.
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See sample questions for grade 10
A student dissolves sugar (C₁₂H₂₂O₁₁) in water and observes that the solution does not conduct electricity. Explain why.
Calculate the number of covalent bonds in a molecule of ethyne (C₂H₂).
Describe the difference between a single, double, and triple covalent bond in carbon compounds.
Describe the type of bonding present in carbon dioxide (CO₂).
Explain why carbon forms covalent compounds rather than ionic compounds.
Explain why covalent compounds of carbon do not conduct electricity.
Explain why diamond is hard while graphite is soft, even though both are covalent forms of carbon.
Name the allotropes of carbon that are covalent in nature.
State one reason why covalent compounds of carbon have low melting and boiling points.
Write the molecular formula for propane.
A student is given two colorless liquids: one is ethanol (C2H5OH) and the other is hexane (C6H14). Both are covalent compounds of carbon. Predict which one will dissolve in water and explain your reasoning.
Calculate the total number of sigma (σ) and pi (π) bonds present in a molecule of ethyne (C2H2).
Explain why covalent compounds of carbon, such as methane and ethane, are generally poor conductors of heat and electricity.
Explain, using electron dot structures, how a molecule of carbon tetrachloride (CCl4) is formed. Discuss the type and number of covalent bonds present in the molecule.
State and explain the hybridization of carbon in ethene (C2H4).
