JEE CHEMISTRY UNIT 15
QUIZ NO 4
TOTAL QUESTIONS = 20
1. What is the major product of the reaction between ethyne and water in the presence of H2SO4 and HgSO4?
A. Formaldehyde
B. Methanol
C. Ethanol
D. Acetaldehyde
2. Which of the following is a saturated hydrocarbon?
A. C4H10
B. C2H4
C. CH4
D. C3H8
3. Which of the following is a gas at room temperature?
A. CH4
B. C5H12
C. C2H6
D. C3H8
4. What is the general formula of cycloalkanes?
A. CnH2n-2
B. CnH2n+1
C. CnH2n
D. CnH2n+2
5. What is the bond angle in methane?
A. 109.5 degrees
B. 120 degrees
C. 180 degrees
D. 90 degrees
6. Which of the following is a saturated hydrocarbon?
A. CH4
B. C4H8
C. C3H6
D. C2H4
7. What is the molecular formula of butane?
A. C4H10
B. C3H8
C. C6H14
D. C5H12
8. Which of the following reactions is used to test for unsaturation in hydrocarbons?
A. Bromine water test
B. Fehling's test
C. Iodine test
D. Tollens' test
9. What is the catalyst used in the cracking of hydrocarbons?
A. Zeolite
B. Alumina
C. Nickel
D. Silica
10. What is the molecular formula of benzene?
A. C6H8
B. C6H6
C. C6H4
D. C6H12
11. What is the functional group in aldehydes?
A. -CO-
B. -COOH
C. -CHO
D. -COO-
12. Which of the following reactions is used for the preparation of alkanes?
A. Kolbe's reaction
B. Wurtz reaction
C. Grignard reaction
D. Cannizzaro reaction
13. What is the type of reaction between alkenes and bromine water?
A. Addition reaction
B. Substitution reaction
C. Polymerization reaction
D. Oxidation reaction
14. Which reagent is used for the oxidation of alkenes to glycols?
A. Hot KMnO4
B. Conc. H2SO4
C. FeCl3
D. Cold KMnO4
15. What is the reaction of methane with chlorine in the presence of sunlight called?
A. Condensation reaction
B. Substitution reaction
C. Elimination reaction
D. Addition reaction
16. What is the hybridization of carbon in benzene?
A. sp3d
B. sp
C. sp3
D. sp2
17. What is the main component of natural gas?
A. Ethane
B. Propane
C. Butane
D. Methane
18. What is the hybridization of carbon in ethene?
A. sp3
B. sp3d
C. sp
D. sp2
19. What is the product of the reaction between ethene and bromine in CCl4?
A. 1-Bromoethene
B. Dibromoethane
C. Chloroethane
D. "1,2-Dibromoethane"
20. What is the IUPAC name of CH≡CH?
A. Ethane
B. Ethyne
C. Propene
D. Ethene
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