Q1. The valency of carbon is:
Q2. Which of the following is NOT a hydrocarbon?
Q3. General formula for alkenes is:
Q4. Saturated hydrocarbons contain only:
Q5. A functional group that makes compound acidic is:
Q6. Which pair are isomers of each other?
Q7. Complete combustion of methane produces:
Q8. The allotrope of carbon that is hardest is:
Q9. Why can carbon form long chains?
Q10. Graphite conducts electricity because:
Q11. Which statement about unsaturated hydrocarbons is correct?
Q12. The product of incomplete combustion of hydrocarbons is:
Q13. In IUPAC nomenclature, the suffix for alcohols is:
Q14. Why do boiling points increase as alkane chain length increases?
Q15. Which allotrope of carbon is used in pencil lead?
Q16. The C≡C triple bond in alkynes is formed by:
Q17. Which has the shortest C-C bond length?
Q18. The chemical equation for combustion of ethyne is:
Q19. Why different allotropes of carbon have different properties?
Q20. Which functional group is present in aldehydes?
