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  • Decomposition of X exhibits a rate constant of  <img alt="\mathrm{0.06 \mathrm{{\mu}g} / year}" src="https://entrancecorner.oncodecogs.com/gif.latex?%5Cmathrm%7B0.06%20%5Cmathrm%7B%7

Decomposition of X exhibits a rate constant of  \mathrm{0.06 \mathrm{{\mu}g} / year}. How many years are required for the decomposition of \mathrm{8 \mu \mathrm{g}} of X into \mathrm{3.5 \mathrm{{\mu}g}}.

Option: 1

20 years 


Option: 2

66 years 


Option: 3

25 years 


Option: 4

40 years 


Answers (1)

best_answer

According to unit of rate constant, it is zero order reaction. Then, half life of reaction will be

\mathrm{t_{\frac{1}{2}}=\frac{C_0}{2 k}=\frac{8 \mu g}{2 \times 0.06}=66 \text { years }}

Posted by

Ritika Kankaria

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