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JEE Main 10 Apr 2019 Paper 1 Solved Paper

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Question : 40

Total: 90

The isoelectronic set of ions is :

Li+,Na+,O2− and F−
N3−,O2−,F− and Na+
F−,Li+,Na+ and Mg2+
N3−,Li+,Mg2+ and O2−

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