| 1 |
In unimolecular reactions, the reaction completes in |
- A. <sub>One step</sub>
- B. Two steps
- C. Three steps
- D. None of these
|
| 2 |
Which one of the following species is a nucleophile |
- A. CH3
- B. (CH3)2 C
- C. BF3
- D. OH-
|
| 3 |
In primary alkyl halides, the halogen atom is attached to a carbon which is further attached to how many carbon atoms |
- A. Two
- B. Three
- C. One
- D. Four
|
| 4 |
When CO<sub>2</sub>is made to react with ethyl magnesium iodide, followed by acid hydrolysis, the product formed is |
- A. propane
- B. propanoic acid
- C. propanal
- D. propanol
|
| 5 |
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
|
| 6 |
Acetic acid can be obtained from CH3MgI by treatment with. |
- A. H2O
- B. CINH2
- C. CO2
- D. HCHO
|
| 7 |
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
|
| 8 |
Which one of the following species is not an electrophile. |
- A. HN3
- B. Br
- C. H+
- D. BF3
|
| 9 |
An alkyl halide may be converted to alcohol by |
- A. Addition
- B. Substitution
- C. Dehydrohalogenation
- D. Elimination
|
| 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
|