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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. 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]
2. An organic compound X(molecular formulaC6H7O2N) has six carbon atoms in a ring system - two double bonds and a nitro group assubstituent - X is [1990]
3. For I-“ - (ii) Cl-“ - (iii) Br-“ - the increasing orderof nucleophilicity would be [2007]
4. Which of the following is an optically activecompound? [1988]
5. Among the given compounds - the mostsusceptible to nucleophilic attack at the carbonylgroup is: [2010]
6. CH3 -“ CHCl -“ CH2 -“ CH3 has a chiral centre.which one of the following represents its Rconfiguration? [2007]
7. A compound of molecular formula of C 7H16shows optical isomerism - compound will be
8. The structure of isobutyl group in anorganic compound is: [NEET2013]
9. In sodium fusion test of organic compounds - the nitrogen of the organic compound isconverted into [1991]
10. Some meta-directing substituents inaromatic substitution are givenWhich one ismost deactivating? [NEET2013]
11. The process of separation of a racemicmodification into d and A-enantiomers is called
12. Lassaigne\'s test for the detection of nitrogen fails in [1994]
13. An sp3 hybrid orbital contains [1991]
14. A straight chain hydrocarbon has themolecular formula C8H10The hybridization ofthe carbon atoms from one end of the chain tothe other are respectively sp 3 - sp2 - sp2 - sp3 - sp2 - sp2 - sp and spThe structural formula of thehydrocarbon would be: [1991]
15. Which one of the following pairs representsstereoisomerism? [2005]
16. Decreasing order of reactivity towardsnucleophilic addition to carbonyl group amongcyclopentanone - 3-pentanone and n-pentanal is[1996]
17. How many chain isomers could be obtained from the alkane C6H14? [1988]
18. Which of the following conformers forethylene glycol is most stable? [2010]
19. The number of possible isomers of thecompound with molecular formula C7H8Ois[1995]
20. Which nomenclature is not according toIUPACsystem? [2012]
21. Which of the following possesses a sp-carbon in its structure? [1989]
22. Isomers of a substance must have the same
23. Which one of these is not compatible witharenes? [1997]
24. Which of the following is not chiral? [2006]
25. Arrange the following in increasing order of stability 32 2 3 (CH) CCHCH-  3 3 (CH) C-  3 2(CH) CH-  CHCH 3 2 -  CH 3 -  [NEETKar2013]

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