JAMB - Chemistry (2025 - No. 23)
Acid radicals are present in
CO\(_3\)\(^{2-}\), PO\(_4\)\(^{3-}\), Mg\(^{2+}\)
CO\(_3\)\(^{2-}\), SO\(_4\)\(^{2-}\), Na\(^+\)
CO\(_3\)\(^{2-}\), SO\(_4\)\(^{2-}\), NO\(_3\)\(^-\)
CO\(_3\)\(^{2-}\), SO\(_4\)\(^{2-}\), K\(^+\)
Explanation
Acid radicals are negatively charged ions (anions) that are derived from an acid by the removal of one or more hydrogen ions (H⁺). Conversely, positively charged ions (cations) are called basic radicals.
Based on the above definition,the correct option is C, as it is the only list where all species are acid radicals (anions).
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