The reaction of toluene with a halogen in the presence of iron (III) chloride gives ortho and para halocompounds,
This can be classified as:
1. Electrophilic elimination reaction
2. Electrophilic substitution reaction
3. Free radical addition reaction
4. Nucleophilic substitution reaction
vic-Dihalide among the following is
1. Dichloromethane
2. 1,2-Dichloroethane
3. Ethylidene chloride
4. Allyl chloride
What results from treating chloromethane with excess ammonia?
1. N, N-dimethylmethanamine (\(N{(CH_3)}_{3}\))
2. N-methylmethanamine (CH3-NH—CH3)
3. Methanamine (CH3NH2)
4. Mixture containing all these in equal proportion
The reaction below is an example of :
1. Addition reaction.
2.
3. Elimination reaction.
4.
Which of the following is an enantiomer of the given molecule?
1. | 2. | ||
3. | 4. |
Match the items in Column I and Column II.
Column l | Column ll |
A. SN1 reaction | 1. Vic-dibromide |
B. Elimination of HX from an alkyl halide | 2. Chlorobromocarbons |
C. Bromination of alkenes | 3. Racemisation |
D. Chemicals in fire extinguisher | 4. Saytzeff rule |
Codes:
A | B | C | D | |
1. | 2 | 3 | 4 | 1 |
2. | 3 | 4 | 1 | 2 |
3. | 1 | 4 | 3 | 2 |
4. | 4 | 1 | 3 | 2 |
Match the structures of compounds given in Column I with the classes of compounds given in Column II.
Column I | Column II | ||
A. | 1. | Aryl halide | |
B. | 2. | Alkyl halide | |
C. | 3. | Vinyl halide | |
D. | 4. | Allylic halide |
Codes:
A | B | C | D | |
1. | 2 | 4 | 1 | 3 |
2. | 3 | 4 | 1 | 2 |
3. | 1 | 4 | 3 | 2 |
4. | 4 | 1 | 3 | 2 |
Match the reactions given in Column I with the types of reactions given in Column II and mark the appropriate option.
Column I | Column II | ||
A. | |
1. | Nucleophilic aromatic substitution reaction |
B. | |
2. | Electrophilic aromatic substitution |
C. | |
3. | Saytzeff elimination |
D | 4. | Electrophilic addition |
|
5. | Nucleophilic substitution reaction |
Codes:
A | B | C | D | |
1. | 2 | 4 | 5 | 1 |
2. | 3 | 1 | 5 | 2 |
3. | 5 | 4 | 3 | 2 |
4. | 4 | 5 | 3 | 2 |
Match the structures given in Column I with the names in Column II.
Column I | Column II | ||
A. | 1. | 4-Bromopent-2-ene | |
B. | 2. | 4-Bromo-3-methylpent-2-ene | |
C. | 3. | 1-Bromobut-2-ene | |
D. | 4. | 1-Bromo-2-methylpent-2-ene |
Codes:
A | B | C | D | |
1. | 2 | 3 | 4 | 1 |
2. | 1 | 2 | 3 | 4 |
3. | 1 | 4 | 3 | 2 |
4. | 4 | 1 | 3 | 2 |
The correct match of column I (Reactions) with column II (Name of reactions) is:
Column I | Column II | ||
A. | 1. | Fittig reaction | |
B. | 2. | Wurtz-Fittig reaction | |
C. | 3. | Finkelstein reaction | |
D. | 4. | Sandmeyer reaction |
Codes:
A | B | C | D | |
1. | 2 | 1 | 4 | 3 |
2. | 3 | 1 | 4 | 2 |
3. | 1 | 4 | 3 | 2 |
4. | 4 | 1 | 3 | 2 |