which reaction takes place in a nuclear fission reactor?\n$_{6}^{13}c + _{1}^{1}h\\rightarrow_{7}^{14}n$\n$_{…

which reaction takes place in a nuclear fission reactor?\n$_{6}^{13}c + _{1}^{1}h\\rightarrow_{7}^{14}n$\n$_{94}^{239}pu+_{2}^{4}he\\rightarrow_{96}^{242}cm$\n$_{27}^{59}co + _{2}^{4}he\\rightarrow_{27}^{60}co+_{0}^{1}n$\n$_{92}^{235}u+_{0}^{1}n\\rightarrow_{36}^{94}kr + _{56}^{139}ba+3_{0}^{1}n$

which reaction takes place in a nuclear fission reactor?\n$_{6}^{13}c + _{1}^{1}h\\rightarrow_{7}^{14}n$\n$_{94}^{239}pu+_{2}^{4}he\\rightarrow_{96}^{242}cm$\n$_{27}^{59}co + _{2}^{4}he\\rightarrow_{27}^{60}co+_{0}^{1}n$\n$_{92}^{235}u+_{0}^{1}n\\rightarrow_{36}^{94}kr + _{56}^{139}ba+3_{0}^{1}n$

Answer

Explanation:

Step1: Recall nuclear fission definition

Nuclear fission is a reaction where a heavy - nucleus splits into two or more smaller nuclei.

Step2: Analyze each option

  • Option 1: $^{13}{6}C + ^{1}{1}H\rightarrow^{14}_{7}N$ is a nuclear fusion reaction (combination of two light nuclei).
  • Option 2: $^{239}{94}Pu+^{4}{2}He\rightarrow^{242}_{96}Cm$ is a transmutation reaction (creation of a new element by adding a particle to a nucleus).
  • Option 3: $^{59}{27}Co + ^{4}{2}He\rightarrow^{60}{27}Co+^{1}{0}n$ is a nuclear reaction involving particle addition and neutron emission but not fission.
  • Option 4: $^{235}{92}U+^{1}{0}n\rightarrow^{94}{36}Kr + ^{139}{56}Ba+3^{1}_{0}n$ shows a uranium - 235 nucleus absorbing a neutron and splitting into krypton and barium nuclei along with neutrons, which is a nuclear fission reaction.

Answer:

$^{235}{92}U+^{1}{0}n\rightarrow^{94}{36}Kr + ^{139}{56}Ba+3^{1}_{0}n$ (the fourth option)