Ammonium chloride crystallizes in a body-centered cubic lattice with an edge length of the unit cell of $390 \ pm$. If the size of the chloride ion is $180 \ pm$,the size of the ammonium ion would be ........... $pm$.
- A$174$
- B$158$
- C$142$
- D$126$
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DifficultMHT CET 2025
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