BITSAT 2019 Paper

Section: Chemistry

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Question : 75 of 150

Marks: +1, -0

The group having isoelectronic species is:

O‌2− , F‌−, Na‌+, Mg‌2+
O‌− , F‌− , Na, Mg‌+
O‌2− , F‌−, Na , Mg‌2+
O‌−, F‌− , Na‌+ , Mg‌2+

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