| 2141 |
What is the IUPAC name of anisole, C₆H₅OCH₃? |
Chemistry
Classification and nomenclature |
Easy |
| 2142 |
What is the common name of benzene-1,3-diol? |
Chemistry
Classification and nomenclature |
Medium |
| 2143 |
Why is the C–O bond in phenol shorter than the C–O bond in methanol? |
Chemistry
Classification and nomenclature |
Medium |
| 2144 |
Why is the C–O–C bond angle in dimethyl ether slightly larger than the tetrahedral angle? |
Chemistry
Classification and nomenclature |
Hard |
| 2145 |
What is the main product of acid-catalysed hydration of propene? |
Chemistry
Preparation of alcohols and phenols |
Easy |
| 2146 |
Which pair of products is formed in the cumene process? |
Chemistry
Preparation of alcohols and phenols |
Easy |
| 2147 |
Which method converts propene into propan-1-ol? |
Chemistry
Preparation of alcohols and phenols |
Medium |
| 2148 |
Which carbonyl compound gives a primary alcohol other than methanol when treated with CH₃MgBr followed by hyd… |
Chemistry
Preparation of alcohols and phenols |
Medium |
| 2149 |
A student wants 2-methylpropan-2-ol using a Grignard reagent. Which combination is suitable? |
Chemistry
Preparation of alcohols and phenols |
Hard |
| 2150 |
Why does ethanol have a much higher boiling point than methoxymethane, although both are C₂H₆O? |
Chemistry
Properties of alcohols |
Easy |
| 2151 |
Which alcohol gives turbidity immediately with Lucas reagent at room temperature? |
Chemistry
Properties of alcohols |
Easy |
| 2152 |
What product is obtained when propan-2-ol vapour is passed over heated copper at 573 K? |
Chemistry
Properties of alcohols |
Medium |
| 2153 |
Which reagent oxidises a primary alcohol to an aldehyde without further oxidation to a carboxylic acid? |
Chemistry
Properties of alcohols |
Medium |
| 2154 |
Arrange methanol, propan-2-ol and 2-methylpropan-2-ol in decreasing order of acidity. |
Chemistry
Properties of alcohols |
Hard |
| 2155 |
What is formed when phenol is treated with bromine water? |
Chemistry
Properties of phenols |
Easy |
| 2156 |
Which product is obtained in the Reimer–Tiemann reaction of phenol? |
Chemistry
Properties of phenols |
Easy |
| 2157 |
Why is phenol more acidic than ethanol? |
Chemistry
Properties of phenols |
Medium |
| 2158 |
Which compound is the most acidic? |
Chemistry
Properties of phenols |
Medium |
| 2159 |
Why can o-nitrophenol be separated from p-nitrophenol by steam distillation? |
Chemistry
Properties of phenols |
Hard |
| 2160 |
What is the reaction of an alkyl halide with a sodium alkoxide to form an ether called? |
Chemistry
Ethers |
Easy |