Tuesday, December 23, 2008

Nomenclature of Organic Compounds - Exercise 2

Can you visualize the structural Formula of the following compounds.

1. formyl methanoic acid
2. 2-keto propanal
3. 1-hydroxy 2-butanone
4. 3-ketobutanoic acid
5. 3-cyano-1,5-pentanedinitrile
6. propane-1-2,3-tricarboxylic acid
7. 3-(carboxymethyl) hexanedioic acid
8. 4-pentyn-2-ol
9. 3-(2-propynyl) cyclohexanol
10. hexanedial
11. 2-cyclopropyloctane
12. cyclohexanecarboxylic acid
13. 2-methylcyclopentanecarbonitrile
14. 2-methylcyclopentanecarboxamide
15. 4-chloro-N-methylcyclohexane
16. 4-methoxycarbonylcyclohexanecarboxylic acid
17. cyclopropane
18. cyclopentane
19. cyclohexanol
20. isopropylcyclohexane
21. chlorocyclohexane
22. 1-ethylcyclopropanol
23. 1-ethyl-3-methylcyclohexane
24. 4-chloro-2-ethyl-1-methylcyclohexane
25. cyclohexanecarbaldehyde
26. 2-methylcyclohexanecarbaldehyde
27. 1-cyclobutylpentane
28. 1,3-dicyclohexylpropane
29. 4-cyclopropyl-3-methyloctane
30. 5-cyclobutyl-1-pentyne
31. bicyclo [2,2,1] hept-2-ene
32. bicyclo [2,2,0] hexane
33. bicycle [4,4,0] decane
34. bicycle [2,1,1] hexane
35. bicycle [1,1,1] pentane
36. 8-methylbicylo [3,2,1] octane
37. 8-methylbicyclo [4,3,0] nonane
38. spiro [4,3] octane
39. spriro [5,2] octane
40. methylbenzene
42. isopropylbenzene
43. vinylbenzene
44. cyclopropylbenzene
45. phenylethyne
46. diphenylmethane
47. 2-phenylpropanal
48. phenylbenzene or biphenyl

All the organic compounds are discussed as examples in the explaining the rules of nomenclature in the Nomenclature chapter of Organic Chemistry by Arihant Publishers.

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Tuesday, April 29, 2008

Organic Compounds - Question Set April 30 2008

1. Among the following, the most reactive alkyl halide is

a. C2H5F
b. C2H5Cl
c. C2H5Br
d. C2H5I

2. In CH3CH2OH, the bond that undergoes heterolytic cleavage most readily is

a. C-C
b. C-O
c. C-H
d. O-H

3. Aldehydes are the first oxidation products of

a. secondary alcohols
b. primary alcohols
c. tertiary alcohols
d. dihydric alcohols

4. Which of the following on reaction with toluene gives benzaldehyde

a. chromyl chloride
b. anhydrous aluminium chloride
c. alkaline potassium permanganate
d. neutral solution of potassium permanganate

5. acetone when heated concentrated HCl and amalgamated zinc gives

a. C2H6
b. C3H8

6. Function isomers of monocarboxylic acids

a. ethers
b. alcohols
c. esters
d. aldehydes and ketones

7. Strongest acid among the following carboxylic acids is

a. malonic acid
b. oxalic acid
c. succinic acid
d. adipic acid

8. Nitration of benzoic acid gives the major product

a. 2-nitrobenzoic acid
b. 2,4-dinitrobenzoic acid
c. 3-nitrobenzoic acid
d. 4-nitrobenzoic acid

9. Treatment of ammonia with excess of ethyl iodide will give

a. ethylamine
b. diethylamine
c. triethylamine
d. tetraethylammonium iodide

10. Reaction of benzaldehyde with alkali give

a. phenol + sodium bezoate
b. benzene + benzyl alcohol
c. benzyl alcohol + sodium benzoate
d. phenol + benzene

Monday, April 28, 2008

Questions on Hydrocarbons - Preparation and Properties

1. Which one of the following alkanes can be easily sulphonated?

a. isobutane b. n-butane

c. n-pentane d. n-hexane

2. Addition of HBr to 2 methyl-1-propene in the presence of hydrogen peroxide mainly forms -------------------

3. An alkene with the molecular formula C4H8 upon ozonolysis gives one mole of propanone and one mole of methanal. The alkene is --------------------.

4. An alkene on vigorous oxidation with KMnO4 gives only acetic acid. The alkene is --------------.

5. An alkene with molecular formula C6H12 on oxidation with hot KMnO4 solution gives only HOOC-(CH2)4-COOH. The alkene is

6. Hydrocarbons that give both electrophilic and nucleophilic addition reactions -------------.

7. Alkaline KMnO4 oxidation of ethyne gives --------------.

8. Toluene is prepared from benzene by -------------- reaction.

9. Which one of the following will undergo meta substitution on monochlorination?

a. ehtoxybenzene b. chlorobenzene
c. 2,2,3,3-tetramethylbutane d. n-butane

10. When propene is treated with HBr in the dark and in absenceof peroxide, the main product is ----------------------- .

11. If in the reaction of C6H5Y, the major product is m-isomer, the group Y is -------------.

Saturday, February 9, 2008

Ch.34 POC - Carboxylic Acids - Spot Exercise

IIT JEE Preparation Material

1. What is Tollen's reagent?
2. Does acetic acid give Tollen's reagent test?
3. What is distinguishing product in the reaction of formic acid with Tollen's reagent?
4. How do you distinguish formic acid and acetic acid using Mercuric chloride?
5. What is the molecular formula of acetone?
6. What is iodoform?
7. How do you distinguish acetic acid and aceton with the use of iodine?
8. How do you use sodium bicarbonate to distinguish acetic acid and acetone?
9. What is the effect of alcohol on blue litmus?
10. What is the effect of acetic acid on sodium bicarbonate?

For course material on this topic go to

Tuesday, February 5, 2008

Very Good Source for Practice Tests in Organic Chemistry


You can answer the questions and get your score and explanation for the wrong answers. Very good.