| 1 |
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
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| 2 |
Which one of the following compounds is not derivative of NH3. |
- A. Aniline
- B. Hydrazine
- C. Phenyl hydrazine
- D. Picric acid
|
| 3 |
Which substance reacts with sodium nitroprusside. |
- A. Ethanol
- B. Acetaldehyde
- C. Dimethyl ketone
- D. Methanol
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| 4 |
A cyanohydrin is formed by the reaction of |
- A. Alcohol and HCN
- B. Ketone and NH3
- C. Aldehyde and NH2OH
- D. Aldehyde and HCN
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| 5 |
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
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| 6 |
All of the followings react with Fehling solution except |
- A. CH2CH2CHO
- B. CH3-CH2COCH3
- C. HCHO
- D. CH3-CHO
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| 7 |
Aldehydes and ketones can be defected by |
- A. 2, 4 DNPH test
- B. Tollen's test
- C. Sodium Nitro prusside test
- D. Benedicts solution test
|
| 8 |
Which of the following has highest boiling point |
- A. Methanal
- B. Ethanal
- C. Propanal
- D. 2-hexanone
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| 9 |
Ketones are prepared by the oxidation of. |
- A. Primary alcohol
- B. Secondary alcohol
- C. Tertiary alcohol
- D. None of these
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| 10 |
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
|