Q1. What is the IUPAC name of \( \ce{CH3CH(CH3)CH2CH2CH3} \)?A. 3-MethylpentaneB. 2-MethylpentaneC. HexaneD. 2,2-Dimethylbutane
Q2. Which hydrocarbon with molecular formula \( \ce{C7H10} \) has a cyclic structure with two degrees of unsaturation?A. CycloheptaneB. HeptyneC. TolueneD. Cycloheptadiene
Q3. Which substituent on a benzene ring is strongly deactivating and meta-directing?A. \( -\ce{OH} \)B. \( -\ce{CH3} \)C. \( -\ce{Cl} \)D. \( -\ce{CN} \)
Q5. Which substituent on a benzene ring is meta-directing?A. \( -\ce{CH3} \)B. \( -\ce{NH2} \)C. \( -\ce{NO2} \)D. \( -\ce{OCH3} \)
Q6. Which of the following hydrocarbons is a starting material for dyes?A. \( \ce{CH4} \)B. \( \ce{C2H2} \)C. \( \ce{C3H8} \)D. \( \ce{C6H5CH3} \)
Q7. Which hydrocarbon exhibits the greatest deviation from the boiling point trend of its homologous series due to branching?A. PentaneB. 2,2-DimethylpropaneC. 2-MethylbutaneD. Cyclopentane
Q8. Which hydrocarbon has a general formula of \( \ce{C_nH_{2n}} \)?A. AlkanesB. AlkenesC. AlkynesD. Aromatics
Q9. Which hydrocarbon is classified as unsaturated?A. \( \ce{CH3CH-CH3} \)B. \( \ce{CH3CH2CH3} \)C. \( \ce{CH4} \)D. \( \ce{CH2=CH2} \)
Q10. Which hydrocarbon with molecular formula \( \ce{C6H10} \) is cyclic and has one degree of unsaturation?A. CyclohexaneB. HexyneC. BenzeneD. Cyclohexene