1. Is Ethanol (Ethyl alcohol) a friend or an enemy to mankind? Convey your opinion by giving appropriate reasons. (AS 1, AS 6) 4 Marks
2. A student said that ''though diamond and graphite are allotropic forms of carbon, their properties or different''. Do you support him? If so compare diamond and graphite. (AS 1) 4 Marks
3. Explain about Nanotubes. Write the uses of Nao - tubes. (AS 1) 4 Marks
4. Draw the figure of Ethene (C2H4) showing its hybird orbitals. (AS 5) 4 Marks
5. Explain the difference between esterification and saponification reactions of carbon compounds. (AS 1) 4 Marks
6. Fill up the following table. (AS 4) 4 Marks
Class |
Formula |
Prefix |
Suffix |
Ketones |
- C = O |
oxo |
|
|
- CN |
|
- Carbonytrile |
Alcohols |
|
hydroxy |
|
Carboxylic acids |
- COOH |
|
|
|
- OR |
(R) oxy |
- |
Amines |
|
amino |
amine |
Esters |
- COOR |
|
(R).. Carboxylate |
|
- CONH2 |
Carbomyl |
|
Acid halides |
|
|
Carboxyl halide |
Aldehydes |
- CHO |
|
Carboldehyde |
7. (AS 5) 4 Marks
ii) Label the parts of the figure.

ii) Label the parts of the figure. (AS 4) 4 Marks
(b) CH3 - CH - CH3
|
CH3
i) Write the IUPAC names of the above hydrocarbons.
ii) What difference do you find in their structures? (AS 4) 4 Marks

i) 2, 3 - di methyl - cyclo hex an - 1 - ol
ii) 3 - bromo - 2 - chloro - 5 - oxo hexanoic acid
iii) 3, 4 - dichloro but - 1 - ene
iv) 3 - amino - 2 - bromo hex an - 1 - ol
i) C2H6 + O2 → CO2 + H2O
ii) CH3COOH + NaOH → CH3COONa + H2O
O C

ii) Who prepared this compound for the first time. (AS 4) 2 Marks