MEDIUMMCQ SINGLEJEE Mains ChemistryPhysical ChemistryChemical kineticsDifferential and Integral Forms of Rate Law
10g of a radioactive isotope is reduced to 1.25 g in 12 yr. Calculate the half-life period of the isotope.
A.4 yr✓ Correct
B.3 yr
C.8 yr
D.24 yr
Explanation
1/2 1/2 1/2 t t t 1/2 1/2 10g 5g 2.5g 1.25g 3 t 12yr 12 t 4 yr 3 -> -> -> x
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