Question

Which of the following reagents are required in the conversion of phenol to salicylic acid?

Options

• Na₂Cr₂O₇, H₂SO₄

• CHCl₃ + aq. NaOH, H⁺

• NaOH, CO₂, H⁺

• HNO₂, HCl, K₂Cr₂O₇

Answer 1

NaOH, CO₂, H⁺

Explanation:

Kolbe's reaction: