JEE CHEMISTRY UNIT 14
QUIZ NO 4
TOTAL QUESTIONS = 20
1. What is the molecular formula of acetylene?
A. C4H6
B. C3H4
C. C2H6
D. C2H2
2. What is the hybridization of carbon in methane?
A. sp3
B. sp3d
C. sp
D. sp2
3. What is the product of the nitration of benzene?
A. Nitrobenzene
B. Phenol
C. Chlorobenzene
D. Benzaldehyde
4. Which reagent is used to test for unsaturation in organic compounds?
A. KMnO4 solution
B. FeCl3
C. Conc. HCl
D. Bromine water
5. What type of reaction occurs between CH3CH=CH2 and HBr?
A. Free radical substitution
B. Elimination
C. Nucleophilic substitution
D. Electrophilic addition
6. Which of the following is an ambident nucleophile?
A. OH-
B. SCN-
C. NO2-
D. CN-
7. Which of the following reagents is used for the oxidation of alcohols to aldehydes?
A. PCC
B. Na2Cr2O7
C. CrO3
D. KMnO4
8. What is the general formula for alkanes?
A. CnH2n-2
B. CnH2n+1
C. CnH2n+2
D. CnH2n
9. Which of the following is an aromatic compound?
A. Cyclohexane
B. Toluene
C. Cyclopentadiene
D. Phenanthrene
10. What is the molecular formula of ethyne?
A. C2H4
B. C4H6
C. C2H2
D. C3H4
11. What is the functional group in aldehydes?
A. -COOH
B. -COO-
C. -CHO
D. -CO-
12. What is the IUPAC name of CH3COCH3?
A. Propanone
B. Propanal
C. Butanone
D. Propyne
13. Which of the following is an electrophile?
A. OH-
B. Cl+
C. NH3
D. Br+
14. Which of the following compounds shows resonance?
A. Phenol
B. Anthracene
C. Cyclohexane
D. Benzene
15. What is the shape of the CH4 molecule?
A. Linear
B. Tetrahedral
C. Planar
D. Angular
16. Which of the following is the most stable carbocation?
A. Methyl carbocation
B. Tertiary carbocation
C. Secondary carbocation
D. Primary carbocation
17. What is the inductive effect caused by electronegative atoms?
A. Electron delocalization
B. Hyperconjugation
C. Electron withdrawal through sigma bonds
D. Electron donation through sigma bonds
18. What type of isomerism is shown by CH3COOH and HCOOCH3?
A. Chain isomerism
B. Functional isomerism
C. Position isomerism
D. Geometrical isomerism
19. What is the bond angle in water?
A. 104.5 degrees
B. 180 degrees
C. 120 degrees
D. 90 degrees
20. Which of the following is a nucleophilic substitution reaction?
A. Oxidation
B. SN1 reaction
C. SN2 reaction
D. Electrophilic addition
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