JEE CHEMISTRY UNIT 15
QUIZ NO 2
TOTAL QUESTIONS = 20
1. What is the major product when benzene reacts with chlorine in the presence of FeCl3?
A. Phenol
B. Chlorobenzene
C. Toluene
D. Nitrobenzene
2. What is the major product when ethyne reacts with HCl?
A. Ethene
B. Vinyl chloride
C. Ethyl chloride
D. Chloroethene
3. What type of reaction occurs between alkenes and hydrogen?
A. Oxidation reaction
B. Addition reaction
C. Elimination reaction
D. Substitution reaction
4. What is the IUPAC name of CH3CH=CH2?
A. Propene
B. Ethyne
C. Propyne
D. Butene
5. What is the catalyst used in the hydrogenation of alkenes?
A. Rh
B. Ni
C. Pt
D. Pd
6. What is the general formula for alkynes?
A. CnH2n
B. CnH2n+1
C. CnH2n-2
D. CnH2n+2
7. Which of the following is used to prepare alkanes from alkyl halides?
A. Cannizzaro reaction
B. Wurtz reaction
C. Grignard reaction
D. Kolbe's reaction
8. What is the molecular formula of propane?
A. C5H10
B. C3H8
C. C6H12
D. C4H10
9. What is the catalyst used in the Friedel-Crafts alkylation reaction?
A. H2SO4
B. Pd
C. AlCl3
D. FeCl3
10. What is the boiling point trend in alkanes with increasing molecular mass?
A. Decreases
B. Varies irregularly
C. Remains constant
D. Increases
11. Which of the following hydrocarbons is aromatic?
A. Cyclohexane
B. Phenol
C. Benzene
D. Toluene
12. Which reagent is used for the bromination of alkenes?
A. Br2 in CCl4
B. FeCl3
C. KMnO4 solution
D. Conc. H2SO4
13. Which of the following is an alkyne?
A. C2H4
B. C2H2
C. C3H8
D. C4H10
14. What is the general formula of alkanes?
A. CnH2n-2
B. CnH2n+2
C. CnH2n
D. CnH2n+1
15. Which of the following is the product of the combustion of hydrocarbons?
A. CO2 and H2O
B. H2O and CO
C. O2 and H2O
D. CO2 and O2
16. What is the hybridization of carbon in ethene?
A. sp
B. sp2
C. sp3d
D. sp3
17. What is the boiling point trend in alkanes with increasing molecular mass?
A. Increases
B. Varies irregularly
C. Decreases
D. Remains constant
18. What is the product when ethyne reacts with chlorine?
A. Chloroethene
B. "1,2-Dichloroethene"
C. "1,2-Dichloroethane"
D. Tetrachloroethene
19. What is the hybridization of carbon in alkanes?
A. sp
B. sp3d
C. sp2
D. sp3
20. What is the major product when ethene reacts with HBr in the presence of peroxide?
A. 1,2-Dibromoethane
B. 2-Bromo-1-ethanol
C. 2-Bromoethane
D. 1-Bromoethane
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