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UPSC Combined Geo-Scientist

Chemist

  • 3 descriptive papers
  • 200 marks each
  • 3 h per paper

Mains Paper III covers analytical and organic chemistry.

UPSC Combined Geo-Scientist, Mains · 2016 · Mains Paper III

Q12(c). Methoxybenzoic acid identification

Question

C₈H₈O₃: IR 2980(br), 1675, 1600, 1320, 1250, 1040, 940(br), 835 cm⁻¹. ¹H: 11.52(s,1H), 6.8–8(m,4H), 3.85(s,3H). ¹³C: 172, 167.2, 131.1, 122.9, 114, 56 ppm. Identify.

Answer in brief

4-Methoxybenzoic acid (p-anisic acid).

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CoversMethoxybenzoic acid identificationStructure elucidation

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