| 1 |
The reaction of alkyl halides with sodium metal in the presence of ether to from alkane is known as. |
- A. Wortz reaction
- B. Frankland reaction
- C. Sabatier sendron
- D. Kolbe's synthesis
|
| 2 |
Which one of the following reactants will be required to form ethyl alcohol form ethyl bromide. |
- A. Alcoholic KOH
- B. Aqueous KOH
- C. Alkaline KMnO4
- D. Sodium metal in ether
|
| 3 |
------------------- is not a nucleophile |
- A. H<sub>2</sub>O
- B. NO<sub>3</sub>
- C. BF<sub>3</sub>
- D. NH<sub>3</sub>
|
| 4 |
Which one of the following species is a nucleophile |
- A. CH3
- B. (CH3)2 C
- C. BF3
- D. OH-
|
| 5 |
Which one of the following molecules does not form alcohol when reacts with a Grignard reagent. |
- A. Formaldehyde
- B. Acetaldehyde
- C. Propanone
- D. CO2
|
| 6 |
In unimolecular reactions, the reaction completes in |
- A. <sub>One step</sub>
- B. Two steps
- C. Three steps
- D. None of these
|
| 7 |
SN2 mechanism involves |
- A. 1st order kinetic
- B. 2nd order kinetic
- C. 3rd order kinetic
- D. Zero order kinetic
|
| 8 |
In primary alkyl halides, the halogen atom is attached to a carbon which is further attached to how many carbon atoms. |
- A. One
- B. Two
- C. Three
- D. Four
|
| 9 |
Grignard's reagent is reactive due to |
- A. the presence of halogen atom
- B. the presence of Mg atom
- C. the polarity of C-Mg bond
- D. none of the above
|
| 10 |
Which products is not formed when ethyl alcohol reacts with SOCl2 in the presence of pyridine. |
- A. Ethyl chloride
- B. Hydrogen chloride
- C. Sulphur di oxide
- D. Sulphur tri oxide
|