| 1 |
SN<sub>2</sub>reactions can be best carried out with |
- A. primary alkyl halides
- B. secondary alkyl halides
- C. tertiary alkyl halides
- D. All the three
|
| 2 |
Which one of the following products will be formed in Wurtz reaction when sodium metal reacts with ethyl chloride in anhydrous ether. |
- A. Methane
- B. Ethane
- C. Propane
- D. Butane
|
| 3 |
For which mechanisms, the first step involved is the same. |
- A. E2 and E2
- B. E2 and SN2
- C. SN1 and E2
- D. E1 and SN1
|
| 4 |
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
|
| 5 |
SN1 reaction usually occurs in |
- A. Primary alkyl halides
- B. Secondary alkyl halides
- C. Tertiary alkyl halides
- D. All of these
|
| 6 |
In which process, alkyl halide is not produced. |
- A. Reaction of alcohol with halogen acid
- B. Reaction of Grignard reagent with water
- C. Reaction of alcohol with phosphorous pentachloride
- D. Action of alkene on halogen acid
|
| 7 |
Which one of the following molecules does not form alcohol when reacts with a Grignard reagent. |
- A. Formaldehyde
- B. Acetaldehyde
- C. Propanone
- D. CO2
|
| 8 |
For which mechanisms, the first step involved is the same |
- A. E<sub>1</sub>and E<sub>2</sub>
- B. E<sub>2</sub>and SN<sub>2</sub>
- C. E<sub>1</sub>and E<sub>2</sub>
- D. E<sub>1</sub>and SN<sub>1</sub>
|
| 9 |
The general representation for Grignard reagent is. |
- A. RMgX
- B. ReMgX
- C. RXMg
- D. RMgX2
|
| 10 |
Cyanogen chloride reacts with ethyl magnesium bromide to give |
- A. CH<sub>3</sub>CH<sub>2</sub>Cl
- B. CH<sub>3</sub>CH<sub>2</sub>Br
- C. C<sub>4</sub>H<sub>10</sub><sup>+</sup>
- D. CH<sub>3</sub>CH<sub>2</sub>CN
|
