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UPSC Combined Geo-Scientist

Chemist

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

Mains Paper II covers physical chemistry.

UPSC Combined Geo-Scientist, Mains · 2018 · Mains Paper II

Q14(c). Half-life of a second-order reaction

Question

Using the integrated rate law for the second-order reaction, 1/[A]ₜ − 1/[A]₀ = kt, show that the half-life period of a second-order reaction is given by t½ = 1/(k[A]₀).

Model answer

The free solution for 2018 answers questions 1, 2, 3, 4, 5, 6, 8, 12, 13 and 15, the ones picked in its time plan. This part is not answered on the site yet. New answers are announced on Telegram.

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Coverssecond-order reactionhalf-lifeintegrated rate lawt½ = 1/k[A]0

All parts of Question 14