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AP EAMCET20226 Jul 2022Evening ShiftChemistryHydrocarbonsActual

Z is an aromatic compound with substituents P and Q . What are P and Q ?

Options

  1. A- OH ,- SO ₃ H
  2. B- CHO ,- NO ₂
  3. C- SO ₃ H ₁- NO ₂
  4. D- COOH ,- NO ₂

Correct answer

D. - COOH ,- NO ₂

Step-by-step solution

When 2-methylhexane reacts with chromic oxide, toluene (compound X ) is formed. Further it reacts with KMnO ₄ to form benzoic acid (compound Y ) which on reaction with nitric and sulphuric acid forms m -nitro benzoic acid (compound Z ). Therefore, P and Q are - COOH and NO ₂ respectively.

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