Which of the following dinegative anions is q | vedclass

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(D) . The oxide ion $(O^{2-})$ is the most common dinegative anion because oxygen has a high electronegativity and a small size,allowing it to easily

Vedclass · Accepted Answer

$O^{2-}$

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(D) . The oxide ion $(O^{2-})$ is the most common dinegative anion because oxygen has a high electronegativity and a small size,allowing it to easily gain two electrons to complete its octet. Unlike the other elements in the group,oxygen lacks vacant $d$-orbitals,but its high effective nuclear charge makes the formation of $O^{2-}$ energetically favorable in many ionic compounds.

Which of the following dinegative anions is quite common?

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