If the total binding energies of ${ }_1^2 H ,{ }_2^4 He ,{ }_{26}^{56} Fe$ and ${ }_{92}^{235} U$ nucleiare $2.22,28.3,492$ and $1786 MeV$ respectively, identify the most stable nucleus of the following.

  • A

    ${ }_{26}^{56} Fe$

  • B

    ${ }_1^2 H$

  • C

    ${ }_{92}^{235} U$

  • D

    ${ }_2^4 He$

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