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in Alcohols, Phenols and Ethers by (26.7k points)
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1. Arrange the compounds in the increasing order of their strength.

  • 4-Nitro phenol
  • Phenol
  • Propan-1-ol
  • 4-Methyl phenol. 

2. You are given benzene, conc.H2SO4 and NaOH. Prepare phenol using these compounds.

1 Answer

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Best answer

1. 4-Nitrophenol > Phenol > 4-Methylphenol > 1- Propanol. Presence of electron with drawing groups at ortho and para positions increases the acidic strength of substituted phenols.

2. By the action of benzene with conc.H2SO4 & NaOH, sodium benzene sulphonate is formed. This on acidification gives phenol.

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