When phenol reactes with `CHCl_(3)` and NaOH followed by acidification, salicyladehyde is obtained. Which of the following species are involed in the

When phenol reactes with `CHCl_(3)` and NaOH followed by acidification, salicyladehyde is obtained. Which of the following species are involed in the
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When phenol reactes with `CHCl_(3)` and NaOH followed by acidification, salicyladehyde is obtained. Which of ... as intermediates ? A. B. C. D.
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