| 1 |
Formation of cyanohydrin from an aldehyde in an example of. |
- A. Nucleophilic substitution
- B. Nucleophilic addition
- C. Electrophilic addition
- D. Electrophilic substitution
|
| 2 |
Aldehyde react with hydroxyl amine in acidic solution to give |
- A. An oxime
- B. Aldol
- C. Polymer
- D. Acetic acid
|
| 3 |
Which of the following will have the highest boiling point. |
- A. Methanal
- B. Ethanal
- C. Propanal
- D. 2-Hexanone
|
| 4 |
when aldehydes react with Tollen's reagent. |
- A. A ketone is produced
- B. An alcohol is produced
- C. Ag ions are produced
- D. Ag ions are reduced
|
| 5 |
Which reaction is disproportionate reaction |
- A. Aldol Condensation
- B. Cannizzaros's reaction
- C. Haloform reactions
- D. Acid Catalyzed reactions
|
| 6 |
Common names of aldehydes are derived from the common names of. |
- A. Alcohol
- B. Ketones
- C. Carboxylic acids
- D. Alkenes
|
| 7 |
Which is most difficult to be oxidized |
- A. CH<sub>3</sub>CHO
- B. CH<sub>3</sub>COCH<sub>3</sub>
- C. HCHO
- D. C<sub>2</sub>H<sub>5</sub>CHO
|
| 8 |
Ketones are prepared by the oxidation of. |
- A. Primary alcohol
- B. Secondary alcohol
- C. Tertiary alcohol
- D. None of these
|
| 9 |
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
|
| 10 |
Acetaldehyde reacts usually with |
- A. Electrophiles only
- B. Nucleophiles only
- C. Electrophiles and nucleophiles
- D. Free radicals only
|