1. How many enantiomeric pairs can be obtained by monobromination of iso-pentane?

2. Ethylene dichloride and ethylidene dichloride yield same product on reaction with

3. C-Cl bond is least polar in

4. When $C_2{H}_5\mathrm{Br}$is treated with limited amount of alc.${\mathrm{NH}}_3$the major product obtained is

5. The major product of reaction of alcoholic silver nitrite with ethyl bromide is

6. Dehalogenation of meso-2,3-dibromobutane results in

7. Which of the following is least reactive in a nucleophilic substitution reaction?

8. Hydrolysis of trichloromethane with aqueous KOH gives

9. Aryl halids are less reactive towards nucleophiles than alkyl halides due to

10. Among the following, the molecule with the highest dipole moment is

11. Allyl chloride on dedhydrochlorination gives

12. NBS is a specific reagent for

13. When chloroform is exposed to air and sunlight, it gives

14. A mixture of ethyl iodide and n-propyl iodide is subjected to Wurtz reaction. Which of the following compounds is not formed during the reaction?

15. Which of the following compounds would be hydrolysed most easily?

16. Pure methane can be produced by

17. The reaction of toluene with ${\mathrm{Cl}}_2$in presence of Fe${\mathrm{Cl}}_3$ gives predominantly

18. Benzene diazonium chloride on reaction with hypophosphorous acid produces

19. What is the common name of ${\mathrm{CH}}_2=\mathrm{CH}{\mathrm{CH}}_2\mathrm{Cl}?$

20. The product formed by the reaction between 2,2,2 -trichloroethanal and chlorobenzene in $H_{2}S{O}_4$ is

21. Which one of the following is mainly responsible for depletion of ozone layer ?

22. Which of the following will have the maximum dipole moment

23. Match List 1(compound) with List 11 (use) and select the correct answer using the codes given below the lists

24. When ${\mathrm{Cl}}_2$ is passed through propene at ${400}^{o}C\mathrm{.}$ Which of the following is major product?

25. Which of the following possesses highest melting point?

26. The end product (B) in the following sequence of reaction is
${\mathrm{CH}}_3\mathrm{Cl}\stackrel{\mathrm{KCN}}{⟶}A\stackrel{H_{2}O/H^{+}}{⟶}B$

27. Which of the following reacts with chloroform and base to form phenyl isocyanide?

28. Iodoethane reacts with sodium in ether, the product formed is

29. The reaction ${\mathrm{CH}}_2=\mathrm{CH}-{\mathrm{CH}}_3+\mathrm{HBr}\to {\mathrm{CH}}_3-\stackrel{\stackrel{\mathrm{Br}}{|}}{\mathrm{CHC}{H}_3}$ is

30. The reaction of t-Butylbromide with sodium methoxide produces mainly

31. Benzene hexachloride is used as

32. The reaction between primary amine, chloroform and alcoholic caustic potash is called

33. Which of the following is called Sandmeyer reaction ?

a)		2HCHO$\stackrel{\mathrm{NaOH}}{⟶}$ ${\mathrm{CH}}_3\mathrm{OH}+\mathrm{HCOONa}$
b)
c)
d)

34. Which of the following reagent cannot be used for preparing alkyl chloride from alcohol?

35. A compound that will form an offensive smell when heated with chloroform and alcoholic potash is

36. Alkyl halides react with Mg in dry ether to form

37. To get DDT, chlorobenzene has to react with one of the following compound in the presence of conc.$H_2{\mathrm{SO}}_4$

38. How many monochlorobutanes will be possible on chlorination of n-butane?

39. Gammexane is

40. ${\mathrm{SN}}_2$mechanism proceeds through the formation of

41. $C_6{H}_6{\mathrm{Cl}}_6$ can be obtained from:

42. C-X bond is strongest in :

43. Slow oxidation of chloroform in air leads to

44. The reaction between alkyl halides and sodium metal is called

45. D.D.T is

46. For the carbylamine reaction we need hot alc.KOH and

47. The most reactive compound for electrophilic nitration will be

48. What happens when ${\mathrm{CCl}}_4$ is treated with ${\mathrm{AgNO}}_3$ solution?

49. Which of the following with aqueous KOH will give acetaldehyde?