| 1 |
Paraldehyde is polymer of. |
- A. HCHO
- B. CH3CHO
- C. CH3COCH3
- D. CH3CH2-CH2OH
|
| 2 |
Paraldehyde is used as a |
- A. Medicine
- B. Poison
- C. Polymer
- D. Dye
|
| 3 |
Acetaldehyde can be prepared by the oxidation of. |
- A. Acetic acid
- B. Ethanol
- C. 1- Proponal
- D. Ethanonic acid
|
| 4 |
Acetaldehyde react, with Grignard reagent to form |
- A. Primary alcohol
- B. Secondary alcohol
- C. Ter alcohol
- D. Carboxylic acids
|
| 5 |
Common names of aldehydes are derived from the common names of. |
- A. Alcohol
- B. Ketones
- C. Carboxylic acids
- D. Alkenes
|
| 6 |
All 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 |
Which reagent will react with both aldehyde and ketones |
- A. Grignard reagent
- B. Tollen's reagent
- C. Fehling's reagent
- D. Benedict's reagent
|
| 8 |
Predict the product or reaction.<div>Acetaldehyde +NaOH</div> |
- A. An aldol
- B. Acetic acid
- C. Ethanol
- D. Paraldehyde
|
| 9 |
Industrially ethanal is prepared by air oxidation of. |
- A. Ethane
- B. Ethene
- C. Ethyne
- D. Acetic acid
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| 10 |
The carbon atom of a carbonyl group is |
- A. sp hybridized
- B. sp<sup>2</sup>hybridized
- C. sp<sup>3</sup>hybridized
- D. none of these
|