Verified Solution • 2025–26 Session
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QAIPMT-2002-Ch-2763: NEET 2002 Chemistry - Class 12 AIPMT-2002-Ch-2763 Solution: When phenol is treated with \(CHCl_3\) and NaOH, the product…
When phenol is treated with and NaOH, the product formed is
Multiple Choice Options
- A benzaldehyde
- B salicylaldehyde
- C salicylic acid
- D benzoic acid.
Step-by-Step Verified Solution
Copper sulphate react with KCN to give white ppt of CuCN and cyanogen gas. The insoluble copper cyanide dissolve in excess of KCN and give soluble potassium cuprocyanide
2CuSO 4 + 4KCN _ 2CuCN + (CN) 2 + 2K 2 SO 4
CuCN + 3KCN _ K 3 [Cu(CN) 4 ]