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Question

Consider : $$X\xrightarrow { -\alpha } Y \xrightarrow { -\alpha } Z$$ where half-lives of $$X$$ and $$Y$$ are $$2$$ year and one month respectively. The ratio of atoms of $$X$$ and $$Y$$, when transient equilibrium $$[T_{1/2}(X)> T_{1/2}(Y)]$$ has been established, is :

A
$$23:1$$
B
$$24:1$$
C
$$1:24$$
D
$$1:23$$
Solution
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Correct option is C. $$23:1$$

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