Acidity and reactions of drawn phenols

14 questions on Acidity and reactions of drawn phenols from the Alcohols, Phenols and Ethers chapter: 3 NEET level, 5 JEE Main, 6 JEE Advanced. Each one opens with its answer and solution.

• The compound shown is treated with excess bromine water. Which structure is the white precipitate formed? NEET level, drawn structure
• The sodium salt shown is heated with CO2 at about 400 K and 4-7 atm, and the product is then acidified. Which structure is formed (Kolbe-Schmitt reaction)? NEET level, drawn structure
• The compound shown is more acidic than phenol. Which statement gives the correct reason? NEET level, drawn structure
• The compound shown is treated with chloroform and aqueous sodium hydroxide at 340 K, and the mixture is then acidified. Which structure is the major product? JEE Main level, drawn structure
• The compound shown is the parent phenol. Which of Structures A-D, each a derivative of it, is the strongest acid (the lowest pK_a)? JEE Main level, drawn structure
• The compound shown has pK_a of about 4.1, and the first pK_a of carbonic acid is about 6.4. What happens when it is added to aqueous sodium hydrogencarbonate? JEE Main level, drawn structure
• Which test distinguishes the compound shown from 2-hydroxybenzoic acid? JEE Main level, drawn structure
• The compound shown is nitrated with dilute nitric acid at 298 K. The mixture is then steam distilled. Which structure is the steam-volatile product? JEE Main level, drawn structure
• The compound shown is treated with excess bromine water until no further reaction occurs. Assume that only ring hydrogens ortho or para to the hydroxyl group ar... JEE Advanced level, drawn structure
• Choose all correct statements about the compound shown. Take pK_a of acetic acid as 4.8 and the first pK_a of carbonic acid as 6.4. JEE Advanced level, drawn structure
• Choose all correct statements about the compound shown. JEE Advanced level, drawn structure
• Use pK_a values: the compound shown 7.15, 3-methylphenol 10.1, first pK_a of carbonic acid 6.4. Choose all correct statements about the compound shown. JEE Advanced level, drawn structure
• The compound shown is converted to its sodium salt with sodium hydroxide, heated with CO2 at 400 K and 4-7 atm, and acidified. The product is then treated with ... JEE Advanced level, drawn structure
• Which order correctly places the compound shown, phenol, 4-methylphenol and 2,4-dinitrophenol in decreasing acid strength? JEE Advanced level, drawn structure