| 1 |
Which of the following will have the highest boiling point. |
- A. Methanal
- B. Ethanal
- C. Propanal
- D. 2-Hexanone
|
| 2 |
Which one has yellow or orange cyrstalline ppt |
- A. Acetone hydrazone
- B. 2, 4 DNPH
- C. Ethanal oxime
- D. Bisulphite addition product
|
| 3 |
Paraldehyde is polymer of. |
- A. HCHO
- B. CH3CHO
- C. CH3COCH3
- D. CH3CH2-CH2OH
|
| 4 |
Which reaction is disproportionate reaction |
- A. Aldol Condensation
- B. Cannizzaros's reaction
- C. Haloform reactions
- D. Acid-catalyzed reactions
|
| 5 |
Structure of carbonyl is |
- A. Tetrahedral
- B. Linear
- C. Octahederal
- D. Trigonal planar
|
| 6 |
Air of the following tests are used to identify aldehydes except. |
- A. Tollen's test
- B. Fehling test
- C. Baeyer's test
- D. Benedict test
|
| 7 |
Paraldehyde is used as a |
- A. Medicine
- B. Poison
- C. Polymer
- D. Dye
|
| 8 |
Which reaction is disproportionate reaction |
- A. Aldol Condensation
- B. Cannizzaros's reaction
- C. Haloform reactions
- D. Acid Catalyzed reactions
|
| 9 |
A snake was preserved in a solution and was placed in biology laboratory. The solution is. |
- A. De ionized water
- B. Fehling solution
- C. Formalin
- D. Chloroform
|
| 10 |
When benzaldehyde is converted to benzyl alcohol by reading with NaOH the reaction is known as. |
- A. Cannizzaro reaction
- B. Wurtz reaction
- C. Wol;ficisthner reaction
- D. Aldol reaction
|