Entry Test MCQ :: Organic Chemistry
|
|
|
|
|
|
| 1. |
Main source of organic compounds is |
Answer: Option A
Explanation:
|
| 2. |
Octane number can be improved by |
| A. |
Isomerization |
B. |
Adding (C2H5)4 Pb |
| C. |
Adding (CH3)4 Pb |
D. |
All |
Answer: Option D
Explanation:
|
| 3. |
Hydro carbons which burn with smoky flame are called |
| A. |
Aliphatic |
B. |
Alicyclic |
| C. |
Aromatic |
D. |
Aldehyde |
Answer: Option C
Explanation:
|
| 4. |
Octane number 2 2 4-trimethyl pentane is |
Answer: Option A
Explanation:
|
| 5. |
Propene can exhibit |
| A. |
cis-trans isomerism |
B. |
geometric isomerism |
| C. |
both a & b |
D. |
none of the above |
Answer: Option D
Explanation:
|
| 6. |
Geometric isomerism is usually found in |
| A. |
Alkanes |
B. |
Alkenes |
| C. |
Alkynes |
D. |
Esters |
Answer: Option B
Explanation:
|
| 7. |
Pentane and 2-methyl butance have the same |
| A. |
Boiling point |
B. |
Melting point |
| C. |
Percentage composition |
D. |
Structural formula |
Answer: Option C
Explanation:
|
| 8. |
Organic compounds that are essentially nonpolar and exhibit weak intermolecular forces have |
| A. |
Low melting points |
B. |
Low vapour pressure |
| C. |
High boiling points |
D. |
High electrical conductivity |
Answer: Option A
Explanation:
|
| 9. |
The first organic compound was synthesized in laboratory by |
| A. |
Wohler |
B. |
Kolbe |
| C. |
Berzilius |
D. |
Berthelot |
Answer: Option A
Explanation:
|
| 10. |
According to vital force theory |
| A. |
Oorganic compounds can be synthesized from inorganic compounds |
B. |
organic compounds cannot be synthesized from inorganic compounds |
| C. |
organic compounds can be synthesized by animals |
D. |
organic compounds can be synthesized by plants |
Answer: Option B
Explanation:
|
Read more:
|
|
