1. $C_6{H}_6+{\mathrm{CH}}_3-\mathrm{CH}={\mathrm{CH}}_2\to X$ the product 'X' in the above reaction is

2. For preparing an alkane, a concentrated aqueous solution of sodium of potassium salt of a saturated carboxylic acid is subjected to

3. Propene when heated with chlorine at about 800 K forms

4. The catalyst used in friedel Craft's reaction is

5. Which of the following substances gives an explosive substance when treated with ammonical ${\mathrm{AgNO}}_3$solution?

6. Which of the following compound has lowest boiling point?

7. Indicate the expected structure of the organic product when ethylmagnesium bromide is treated with heavy water ($D_{2}O)\mathrm{.}$

8. When HCl is passed through propene in the presence of benzoyl peroxide,it gives

9. The olefin which on oxonolysis gives ${\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{CHO}$and${\mathrm{CH}}_3\mathrm{CHO}$ is

10. Alkanes mainly show reactions having

11. Ozonolysis of p-xylene gives

12. Ozonolysis of acetylene gives

13. Propene + HBr gives

14. The highest boiling point is expected for

15. Which of the following is non-aromatic

16. An organic compound on treatment with${\mathrm{Br}}_2$ in${\mathrm{CCl}}_4$ gives a bromoderivative of alkene.The compound will be

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

18. Propyne when treated with$H_2{\mathrm{SO}}_4$ in the presence of $H_g{\mathrm{SO}}_4$gives

19. Onmixing a certain alkane with chloride and irradiating it with ultraviolet light,it forms only one mononchloroalkane.This alkane could be

20. The Markovnikov's rule is best applicable to the reaction between

21. Which among the following will give a precipitate with ammonical silver nitrate?

22. How many sigma and pi bonds are present in toluene?

23. An alkene having the molecular formula $C_9{H}_{18}$ on ozonolysis gives 2,2-dimethyl propanal and 2-butanaone. The alkene is

24. The simplest acyclic alkane containing a chiral atom has a vapour density of

25. Which of the following is dehydrohalogenated readily at the highest rate?

a)
b)
c)
d)

26. Consider the following carbocations
a) ${\mathrm{Cl}}_3{C}^{+}b\mathrm{)}{\mathrm{Cl}}_2{\mathrm{CH}}^{+}c\mathrm{)}{{\mathrm{ClCH}}_2}^{+}d\mathrm{)}{{\mathrm{CH}}_3}^{+}$
The stability sequence follows the order

27. Relative stabilities of various alkenes represented as $R_{2}C={\mathrm{CR}}_2{R}_{2}C=\mathrm{CHR},\mathrm{RCH}=\mathrm{CHR}$(trans) RCH =CHR(cis) are in the increasing order of

28. Consider the parallel reaction in the electrophilic addition of HBr to propene via the altermative pathways shown below

Identity the wrong statement with reference to the above

29. Glycerine contains

30. Propyne when passed through, a hot iron tube at ${400}^{0}C$ produces

31. Photochemical chlorination of alkane is initiated by a process of

32. Orbital interaction between the signs bonds of a substituent group and a neighbouring pi orbital is known as

33. What happens when a mixture of acetylene and hydrogen is passed over heated.Lindlar's catalyst?

34. The reaction $C_{12}{H}_{26}\to C_6{H}_{12}+C_6{H}_{14}$ represents

35. Hydrolysis of the ozonide of 1-butene gives

36. The chemical added to leaded petrol to prevent the deposition of lead in the combustion chamber is

37. In electrophilic substitution reactions nitrobenzene is

38. Name the alkene with the molecular formula $C_{10}{H}_{20}$

39. The most stable carbanion among the following is

a)
b)
c)
d)

40. Which of the species represents the electrophile in aromatic nitration ?

41. Heterolytic fission of a covalent bond in organic molecules gives

42. The reaction, C$H_2=\mathrm{CH}-C{H}_3$ + HBr $\to C{H}_{3}C$HBr- $C{H}_3\mathrm{is}$

43. Which of the following is an electrophilic reagent?

44. Pick out the most stable carbonium ion:

45. Heterolysis of carbon-chlorine bond produces

46. Heterolytic cleavage of a covalent bond gives only