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Standard XII

Chemistry

Physical Properties of Alcohols and Phenols

An aromatic c...

Question

An aromatic compound is partially soluble in water but soluble in aqueous solution of $N a O H$ . The compound is insoluble in aqueous solution of ${N a H C O}_{3}$ . It gives a deep red colour with ${F e C l}_{3}$ solution. The compound is:

alcohol

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phenol

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aldehyde

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ketone

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Solution

The correct option is C phenol
The compound is phenol.
Phenols are very weak acids. They react with $N a O H$ (a strong base) to form soluble salt but they do not react with sodium hydrogen carbonate which is a weak base.
Phenols give deep red color with ferric chloride solution.

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An aromatic compound is partially soluble in water but soluble in aqueous solution of NaOH. The compound is insoluble in aqueous solution of NaHCO3. It gives a deep red colour with FeCl3 solution. The compound is:

The correct option is C phenolThe compound is phenol.Phenols are very weak acids. They react with NaOH (a strong base) to form soluble salt but they do not react with sodium hydrogen carbonate which is a weak base.Phenols give deep red color with ferric chloride solution.

An aromatic compound is partially soluble in water but soluble in aqueous solution of $N a O H$ . The compound is insoluble in aqueous solution of ${N a H C O}_{3}$ . It gives a deep red colour with ${F e C l}_{3}$ solution. The compound is:

The correct option is C phenol
The compound is phenol.
Phenols are very weak acids. They react with $N a O H$ (a strong base) to form soluble salt but they do not react with sodium hydrogen carbonate which is a weak base.
Phenols give deep red color with ferric chloride solution.