Which of the following substituted phenols is the strongest acid?
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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:
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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(Structure) | Column II(Name) | ||
A. | |
(i). | Phenetole |
B. | (ii). | o-Cresol | |
C. | (iii). | Catechol | |
D. | (iv). | Resorcinol |
Codes:
A | B | C | D | |
1. | (ii) | (iv) | (i) | (iii) |
2. | (iii) | (i) | (iv) | (ii) |
3. | (i) | (iv) | (iii) | (ii) |
4. | (iv) | (iii) | (ii) | (i) |
Match the starting material in Column I with the products formed (Column II) in the reaction with HI.
Column I |
Column II |
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B. | ![]() |
2. | ![]() |
C. | ![]() |
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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 |