MEDIUMMCQ SINGLEJEE Mains ChemistryInorganic Chemistrys- Block 3.0Previous Year Questions
Magnesium reacts with an element (X) to form an ionic compound. If the ground state electronic configuration of (X) is 1s2 2s2 2p3, the simplest formula for this compound is (NEET 2018)
A.MgX2
B.Mg₂X
C.Mg₂X3
D.Mg₃X2✓ Correct
Explanation
As per the given electronic configuration it is nitrogen (Z = 7). Magnesium exhibits +2 oxidation states whereas nitrogen exhibits- 3 oxidation state in nitrides.
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