A) 3.01%
B) 0.21%
C) 0.098%
D) None of these
Correct Answer: C
Solution :
[c] \[{{t}_{75 percent }}=2{{t}_{1/2}}\Rightarrow {{t}_{1/2}}=\frac{12}{2}=6\min \] N=No. of half lives in 60 min \[=\frac{60}{6}=10\] Amount of substance left after 10 half lines \[={{\left( \frac{1}{2} \right)}^{10}}=\frac{1}{1024}\] \[\therefore \]% of amount left\[=\frac{100}{1024}=0.098%\]
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