| 1 |
Secondary alkyl halides are those in which halogen atom is attached with a carbon atom which is further attached to. |
- A. One beta carbon
- B. Two beta carbon
- C. Three beta carbon
- D. Four beta carbon
|
| 2 |
Alkyl halides are considered to be very reactive compounds towards nucleophile because |
- A. They have an electrophilic carbon
- B. They have an electrophilic carbon and a good leaving group
- C. They have an electrophilic carbon and a bed leaving group
- D. They have a nucleophilic carbon and a good leaving group
|
| 3 |
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
|
| 4 |
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
|
| 5 |
Which one of the following species is a nucleophile |
- A. CH3
- B. (CH3)2 C
- C. BF3
- D. OH-
|
| 6 |
What products is formed when ethyl bromide reacts with magnesium to form Grignard's reagent. |
- A. Pyridine
- B. Anhydrous ether
- C. Ethyl alcohol
- D. Carbon tetrachloride
|
| 7 |
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
|
| 8 |
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
|
| 9 |
Which one of the following alkanes will be formed by the hydrolysis of ethyl magnesium bromide |
- A. Methane
- B. Ethane
- C. Butane
- D. do not hydrolysed
|
| 10 |
Acetic acid can be obtained from CH3MgI by treatment with. |
- A. H2O
- B. CINH2
- C. CO2
- D. HCHO
|