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`Na^(+), Mg^(2+), Al^(3+)`, and `Si^(4+)` are isoelectronic ions. Their ionic size will follow the orderA. `Na^(+) gt Mg^(2+) gt Al^(3+) lt Si^(+4)`B. `Na^(+) gt Mg^(2+) lt Al^(3+) gt Si^(+4)`C. `Na^(+) gt Mg^(2+) gt Al^(3+) Gt Si^(+4)`D. `Na^(+) gt Mg^(2+) gt Al^(3+) lt Si^(+4)` |
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Answer» Correct Answer - C In isoelectronic cations, the size decreases with increases in nucler charge `Na^(+) gt Mg^(2+) gt Al^(3+) gt Si^(4+)` |
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