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Q390) The number of d electrons in Fe2+ ( of Fe=26) is not equal to that of the .....[ MLNR 1993]


Number of d electrons :
E.C. of Fe=[ Ar] 3d5,
E.C of Fe2+=[ Ar] 3d6, 4s2
Number of d electrons==6
Cl=[NE] 3s2, 3p5
number of p electrons=6
Cl-=[Ne] 3s2 3p6 number of p electrons=6
Answer: (d)