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- #National Eligilibility Cum Entrance Test
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Which of the following metals will have all its existing ions in a diamagnetic state?
Option: 1
Fe
Option: 2
Na
Option: 3
Co
Option: 4
Ni
Answers (1)
A neutral sodium atom is likely to achieve an octet in its outermost shell by losing its one valence electron. The cation produced in this way is , having electronic configuration
which means there is no unpaired electron. Hence,
is diamagnetic in its existing ion form.
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