Which of the following substituted phenols is the strongest acid?
1.
2.
3.
4.
When benzenediazonium chloride is treated with water, the compound formed is :
(1)
(2)
(3)
(4)
Cyclohexanol gives best yield of cyclohexene with -
1.
2. conc.HCl
3. conc.HBr
4. All of the above
1. | sec-Butyl alcohol | 2. | tert-Butyl alcohol |
3. | iso-Butyl alcohol | 4. | iso-Propyl alcohol |
Anisole on reaction with HI gives:
1. | 2. | ||
3. | 4. |
Preparation of phenol from cumene is -
1. Reduction Reaction
2. Oxidation reaction
3. Disproportionation Reaction
4. Ozonolysis
The reagent used for the bromination of phenol to 2,4,6-tribromophenol is/are:
1. Bromine water
2. Br2, CS2
3. Br2, CCl4
4. AgBr
Amongst the following, the alcohol that reacts with conc. HCl /anhydrous ZnCl2 to form alkyl halide at room temperature, will be
1.
2.
3.
4.
Match the structures of the compounds given in Column I with the name of the compounds given in Column II.
Column I | Column II | ||
A. | 1. | Phenetole | |
B. | 2. | o-Cresol | |
C. | 3. | Catechol | |
D. | 4. | Resorcinol |
Codes
A | B | C | D | |
1. | 2 | 4 | 1 | 3 |
2. | 3 | 1 | 4 | 2 |
3. | 1 | 4 | 3 | 2 |
4. | 4 | 3 | 2 | 1 |
Match the starting material in Column I with the products formed (Column II) in the reaction with HI.
Column I |
Column II |
||
A. | 1. | ||
B. | 2. | ||
C. | 3. | ||
D. | 4. | ||
5. |
A | B | C | D | |
1. | 2 | 3 | 4 | 1 |
2. | 3 | 1 | 5 | 2 |
3. | 5 | 4 | 3 | 2 |
4. | 4 | 5 | 2 | 1 |