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AP EAMCET201822 Apr 2018Evening ShiftChemistryGeneral Organic ChemistryActual

The order of strengths of the following carboxylic acids is (i) CH ₃- CH ₂- COOH (ii) CH ₃- COOH (iii) C ₆ H ₅- COOH (iv) C ₆ H ₅- CH ₂ COOH

Options

  1. A(iii) > (iv) > (ii) > (i)
  2. B(iv) > (ii) > (iii) > (i)
  3. C(iii) > (ii) > (iv) > (i)
  4. D(i) > (iv) > (ii) > (iii)

Correct answer

A. (iii) > (iv) > (ii) > (i)

Step-by-step solution

(i) CH ₃- CH ₂- COOH (ii) CH ₃- COOH (iii) C ₆ H - COOH (iv) C ₆ H ₄- CH ₂- COOH Die to -I effect (iii) is most acidic and order will be (iii) > (iv) > (ii) > (i).

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