Q1. Which of the following is a property of alkanes?A. Highly polarB. Non-polarC. Acidic natureD. Basic nature
Q2. Which of the following hydrocarbons is toxic and carcinogenic?A. \( \ce{CH4} \)B. \( \ce{C3H8} \)C. \( \ce{C2H4} \)D. 1,2-Benzpyrene
Q4. A hydrocarbon with 6 carbon atoms and 10 hydrogen atoms has one degree of unsaturation. What is its IUPAC name?A. CyclohexaneB. CyclohexeneC. HexyneD. Benzene
Q5. Which hydrocarbon is used as a solvent in the pharmaceutical industry?A. MethaneB. EthaneC. TolueneD. Propane
Q6. What is the general formula for alkynes?A. \( \ce{C_nH_{2n-2}} \)B. \( \ce{C_nH_{2n}} \)C. \( \ce{C_nH_{2n+2}} \)D. \( \ce{C_nH_n} \)
Q7. Which hydrocarbon requires the highest amount of oxygen per carbon atom for complete combustion?A. \( \ce{C6H6} \)B. \( \ce{C5H12} \)C. \( \ce{C6H14} \)D. \( \ce{C4H10} \)
Q8. A hydrocarbon with 5 carbon atoms has 10 hydrogen atoms and forms a ring. What is its IUPAC name?A. CyclopentaneB. PenteneC. CyclopenteneD. Methylcyclobutane
Q9. Which hydrocarbon with 8 carbon atoms has the lowest melting point among its isomers?A. OctaneB. 2,2,3,3-TetramethylbutaneC. 3-EthylhexaneD. 2,3-Dimethylhexane
Q10. Which hydrocarbon has a density closest to that of water at room temperature?A. MethaneB. HexaneC. OctaneD. Decane