Organic Chemistry Test A

1. In organic compounds the property of catenation is observed by: a) Carbon b) Nitrogen c) Hydrogen d) Sulphur

2. Major portion of natural gas is: a) Methane b) Ethane c) Propane d) Butane

3. The number of carbon atoms in gasoline fraction are: a) C1 to C4 b) C5 to C6 c) C6 to C7 d) C5 to C10

4. Carbonyl functional group is present in: a) Aldehydes b) Ketones c) Alcohols d) Ethers

5. Formyl group is present in: a) Aldehydes b) Ketones c) Alcohols d) Ethers

6. Triple bond is present in: a) Alkanes b) Alkenes c) Alkynes d) Benzene

7. Amino group is present in: a) Amines b) Acid amide c) Alkyl cyanides d) Ketones

8. In CH4 carbon is: a) Sp2 hybridized b) Sp hybridized c) Sp3 hybridized d) dSp2 hybridized

9. In ethene the number of 32; p bonds is: a) 1 b) 2 c) 3 d) 4

10. In alkynes number of ; p bonds is: a) 1 b) 2 c) 3 d) 4

11. In ethane number of sigma bonds is: a) 4 b) 5 c) 6 d) 7

12. In ethene the number of sigma bonds is: a) 4 b) 5 c) 6 d) 7

13. In ethyne the number of sigma bond is: a) 3 b) 4 c) 5 d) 6

14. Shape of the molecule having Sp3 hybridization: a) Tetrahedral b) Square planar c) Triangular planar d) Octahedral

15. Shape of the molecule 32; having Sp2 hybridization: a) Tetrahedral b) Square planar c) Trigonal d) Linear structure

16. Shape of molecule having Sp hybridization is: a) Tetrahedral b) Trigonal c) Linear d) Square Planar

17. A double bond consists of: a) Two sigma bonds b) One sigma bond and one 32; p bond c) One sigma and two 32; p bonds d) Two pi bonds

18. Benzene is a: a) Heterocyclic compound b) Alicyclic compound c) Aromatic compound d) Acyclic

19. The molecular formula of ethane is: a) CH4 b) C2H5 c) C3H8 d) C2H6

20. The main source of most of the organic compounds is: a) Methane b) Coal gas c) Petroleum d) None of these

21. The isomers must have the same: a) Structural formula b) Molecular formula c) Chemical properties d) Physical properties

22. Natural gas consist of: a) 60% of methane b) 85% of methane c) 50% of methane d) 40% of methane

23. Which one is the functional group of alkyl halides: a) R-X b) -NH2 c) -C = O d) H-C = O

NOTE: We design Computer Based Testing System (CBTS) and provide in-house training facilities with academic co-ordination for schools, colleges and coaching centers. These are the demo versions. For complete Testing, Preparation and database, please contact;
akber.khursheed@gmail.com 
Phone: 0322-2610578