MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Physical ChemistryChemical kineticsDifferential and Integral Forms of Rate Law
A first order reaction is found to have a rate constant, k = 4.2 × 10-12 s-1. Find the half-life of the reaction
A.1.26 × 1013 s
B.1.65 × 1011 s✓ Correct
C.1.65 × 10-11 s
D.1.26 × 10-13 s
Explanation
For first order reaction 1/2 12 1 11 0.693 0.693 t k 4.2 10 s 1.65 10 s x x
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