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Chemical Reaction Engineering
Reaction Kinetics
GATE 2009
Easy

The half-life of a first order liquid phase reaction is 30 seconds. Then the rate constant, in min⁻¹, is

  • A0.0231
  • B0.602
  • 1.386
  • D2.0

Explanation

k=ln(2)/t1/2=0.6931/30 s⁻¹=0.02310 s⁻¹. Converting to per minute: 0.02310×60=1.386 min⁻¹.

Source: GATE CH 2009 (2009)

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