Q1. Which hydrocarbon is obtained by the fractional distillation of petroleum?A. MethaneB. PentaneC. EthyneD. Cyclohexane
Q2. Which hydrocarbon is a major source of energy?A. \( \ce{C2H2} \)B. \( \ce{C6H6} \)C. \( \ce{C4H8} \)D. \( \ce{C7H16} \)
Q3. Which hydrocarbon has the highest density among the following at room temperature?A. \( \ce{C4H10} \)B. \( \ce{C5H12} \)C. \( \ce{C6H14} \)D. \( \ce{C6H6} \)
Q4. What is the shape of the carbon framework in alkanes?A. TetrahedralB. LinearC. Trigonal planarD. Octahedral
Q5. What type of isomerism is exhibited by alkanes due to free rotation along \( \ce{C-C} \) bonds?A. GeometricalB. StructuralC. ConformationalD. Optical
Q6. Which hydrocarbon with 6 carbon atoms has the highest density at room temperature?A. HexaneB. CyclohexaneC. BenzeneD. Hexene
Q7. Which hydrocarbon is obtained from the anaerobic decomposition of organic matter?A. MethaneB. EtheneC. BenzeneD. Propane
Q9. Which substituent on a benzene ring would result in the least reactive ring towards electrophilic substitution?A. \( -\ce{CH3} \)B. \( -\ce{SO3H} \)C. \( -\ce{OH} \)D. \( -\ce{Cl} \)
Q10. Which hydrocarbon with molecular formula \( \ce{C8H16} \) has a cyclic structure with one degree of unsaturation?A. OctaneB. CyclooctaneC. OctyneD. Cyclooctene