Nuclear Chemistry - Result Question 4

####4. The number of neutrons accompanying the formation of ${ } _{54}^{139} Xe$ and ${ } _{38}^{94} Sr$ from the absorption of a slow neutron by ${ } _{92}^{235} U$, followed by nuclear fission is

$(1999,2 M)$

(a) 0

(b) 2

(c) 1

(d) 3

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Answer:

Correct Answer: 4. (b)

Solution:

  1. The balanced nuclear reaction is

$$ 2{ } _0 n^{1}+{ } _{92} U^{235} \longrightarrow{ } _{54} Xe^{139}+{ } _{38} Sr^{94} $$



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