Nuclear Chemistry Ques 14

14. If species ${ }_a^b X$ emits firstly a positron, then two $\alpha$ and two $\beta$ and in last one $\alpha$ and finally converted to species ${ }_c^{\mathrm{d}} \mathrm{Y}$, so correct relation is

[2001]

(a) $\mathrm{c}=\mathrm{a}-5, \mathrm{~d}=\mathrm{b}-12$

(b) $\mathrm{c}=\mathrm{a}-6, \mathrm{~d}=\mathrm{b}-8$

(c) $c=a-4, d=b-12$

(d) $\mathrm{c}=\mathrm{a}-5, \mathrm{~d}=\mathrm{b}-8$

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Answer:

Correct Answer: 14.(a)

Solution: (a)