How many sets among the following combinations contain only isoelectronic species? 1. P^ 3- ,S^ 2- ,Cl^-,Ar...

Question

How many sets among the following combinations contain only isoelectronic species? 1. P^ 3- ,S^ 2- ,Cl^-,Ar 2. N^ 3- ,O^ 2- ,C^ 4- ,Ne 3. F^-,Ar,S^ 2- ,Cl^- 4. O^-,F^-,Na^+,Mg^ 2+ 5. Mg^ 2+ ,Al^ 3+ ,Si^ 4+ 6. N^ 3- ,F^-,O^ 2- ,Ar

Accepted Answer

3

JEE Main Chemistry question

Solution

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