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The set of elements that differ in mutual relationship from those of the other sets is :
 
Option: 1 B – Si
Option: 2 Li – Mg
Option: 3 Be – Al
Option: 4 Li – Na

Answers (1)

best_answer

Mutual relationships can be anything.

Li–Mg, B–Si, Be–Al show diagonal relationship but Li and Na do not show diagonal relationship as both belongs to the same group and not placed diagonally.

Therefore, the Correct option is (4)

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Kuldeep Maurya

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