Aqueous solution of which of the following salts will not contain ions with the electronic configuration 1 s 2 2 s 2 2 p 6 3 s 2 3 p 6 ?

Question

Aqueous solution of which of the following salts will not contain ions with the electronic configuration 1 s 2 2 s 2 2 p 6 3 s 2 3 p 6 ?, NaF, KBr, NaCl, C a I 2

MARKS App · Accepted Answer

NaF → Na + → 1 s 2 2 s 2 2 p 6 F - → 1 s 2 2 s 2 2 p 6 Not Match KBr → K + = 1 s 2 2 s 2 2 p 6 3 s 2 3 p 6 Br - = 1 s 2 2 s 2 2 p 6 3 s 2 3 p 6 4 s 2 4 p 6 NaCl → Na + = 1 s 2 2 s 2 2 p 6 Cl = 1 s 2 2 s 2 2 p 6 3 s 2 3 p 6 CaI 2 → Ca + 2 = 1 s 2 2 s 2 2 p 6 3 s 2 3 p 6 I - = Kr 4 d 10 5 s 2 5 p 6

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