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Organic Chemistry - Some Basic Principles and Techniques
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Organic Chemistry - Some Basic Principles and Techniques
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25 Questions

1. Decreasing order of reactivity towardsnucleophilic addition to carbonyl group amongcyclopentanone - 3-pentanone and n-pentanal is[1996]
2. Which is a chiral molecule? [1999]
3. Which one of the following pairs representsstereoisomerism? [2005]
4. Which one of the following can exhibit cistrans isomerism? [1989]
5. The correct order of increasing reactivityof C-“ Xbond towards nucleophile in thefollowing compounds is: XNO2 NO2 X(CH 3) 3 C-“X - (CH 3) 2CH-“ X (II) (III) (IV) [2010]
6. Base strength of: HCCH3 2 4 HCCH 2 4 andHCC4 { is in the order of: [2008]
7. An example of electrophilic substitutionreaction is [1994]
8. How many chain isomers could be obtained from the alkane C6H14? [1988]
9. Which of the following conformers forethylene glycol is most stable? [2010]
10. Isomers of a substance must have the same
11. If there is no rotation of plane polarised lightby a compound in a specific solvent - though tobe chiral - it may mean that [2007]
12. The molecular formula of diphenyl methane - CH2 - is C13H 12How many structural isomers arepossible when one of the hydrogens is replacedby a chlorine atom? [2004]
13. In the hydrocarbon CH-“ CH= CH-“ CH-“ CCH32 {6 54321The state of hybrization of carbons 1 - 3 and 5 arein the following sequence: [2008]
14. Kjeldahl-™s method is used in the estimation of
15. Given are cyclohexanol acetic acid (II) - 2 - 4 - 6 -“ trinitrophenol (III) and phenol (IV) In thesethe order of decreasing acidic character will be:[2010]
16. An important chemical method to resolve aracemic mixture makes use of the formation of[1994]
17. The first organic compound - synthesized inthe laboratory - was [1995]
18. The general molecular formula - whichrepresents the homologous series of alkanols is[2006]
19. Tautomerism will be exhibited by [1997]
20. Which of the following possesses a sp-carbon in its structure? [1989]
21. In sodium fusion test of organic compounds - the nitrogen of the organic compound isconverted into [1991]
22. Some meta-directing substituents inaromatic substitution are givenWhich one ismost deactivating? [NEET2013]
23. The most stable conformation of n-butane is
24. In steam distillation of toluene - the pressurefor toluene in vapour is [2001]
25. Which of the following will exhibit chirality?[1996]