Elimination after 4 half lives in first order kinetics is____________?

Correct answer: B. 93%

  • A. 84%
  • B. 93%
  • C. 80.5%
  • D. 4.75%

Explanation

In first-order kinetics, the fraction remaining after four half-lives is (1/2)^4, or 6.25%, so 93.75% has been eliminated. This rounds to 93%, making option b the intended choice.

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