ABC26IN0483 · Nuclear Chemistry
Subject: Inorganic Chemistry · Chapter: Nuclear Chemistry · Topic: Nuclear – General · Exam: GATE 2005-2021 · Marks: 2 · Difficulty: Medium
The fission reaction of ${ }_{92}^{235} \mathrm{U}$ with thermal neutron is represented below. 
${ }_{41}^{99} \mathrm{Nb}$ and ${ }_{51}^{133} \mathrm{Sb}$ are the primary fission fragment pair, which undergo series of radioactive decay to form stable nuclei $\mathrm{X}_{3}$ and $\mathrm{Y}_{4}$ (chain enders). The $\mathrm{X}_{3}$ and $\mathrm{Y}_{4}$, respectively are:
${ }_{41}^{99} \mathrm{Nb}$ and ${ }_{51}^{133} \mathrm{Sb}$ are the primary fission fragment pair, which undergo series of radioactive decay to form stable nuclei $\mathrm{X}_{3}$ and $\mathrm{Y}_{4}$ (chain enders). The $\mathrm{X}_{3}$ and $\mathrm{Y}_{4}$, respectively are:(a)${ }_{44}^{99} \mathrm{Ru}$ and ${ }_{55}^{133} \mathrm{Cs}$
(b)${ }_{41}^{96} \mathrm{Nb}$ and ${ }_{51}^{130} \mathrm{Sb}$
(c)${ }_{38}^{93} \mathrm{Sr}$ and ${ }_{35}^{127} \mathrm{Ag}$
(d)${ }_{35}^{87} \mathrm{Br}$ and ${ }_{43}^{124} \mathrm{Tc}$
Answer
Answer (as printed): B
Explanation
No explanation was printed for this question.