| 1 |
Which of the following has highest boiling point |
- A. Methanal
- B. Ethanal
- C. Propanal
- D. 2-hexanone
|
| 2 |
Cannizzaro's reaction is not given by |
- A. Formaldehyde
- B. Acetaldehyde
- C. Benzaldehyde
- D. Trithylacetaldehyde
|
| 3 |
Paraldehyde is used as a |
- A. Medicine
- B. Poison
- C. Polymer
- D. Dye
|
| 4 |
Formalin is |
- A. 10% solution of formaldehyde in water
- B. 20% solution of formaldehyde in water
- C. 40% solution of formaldehyde in water
- D. 60% solution of formaldehyde in water
|
| 5 |
Silver mirror test is given by |
- A. Ethers
- B. Ketones
- C. Acids
- D. Aldehydes
|
| 6 |
Which one has yellow or orange cyrstalline ppt |
- A. Acetone hydrazone
- B. 2, 4 DNPH
- C. Ethanal oxime
- D. Bisulphite addition product
|
| 7 |
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
|
| 8 |
Formation of cyanohydrin from an aldehyde in an example of. |
- A. Nucleophilic substitution
- B. Nucleophilic addition
- C. Electrophilic addition
- D. Electrophilic substitution
|
| 9 |
Predict the product or reaction.<div>Acetaldehyde +NaOH</div> |
- A. An aldol
- B. Acetic acid
- C. Ethanol
- D. Paraldehyde
|
| 10 |
Which of the following will have the highest boiling point. |
- A. Methanal
- B. Ethanal
- C. Propanal
- D. 2-Hexanone
|