What is the net charge on ferrous ion?

Question

What is the net charge on ferrous ion? (A) +2 (B) +3 (C) +4 (D) +5

Tardigrade Admin · Accepted Answer

Iron has atomic number 26 Electronic configuration =1 s2 2 s2 2 p6 3 s2 3 p6 3 d6 4 s2 Fe 2+ (ferrous ion) 1 s2 2 s2 2 p6 3 s2 3 p6 3 d6 4 s0 Fe 3+ (ferric ion) 1 s2 2 s2 2 p6 3 s2 3 p6 3 d5 4 s0

Q. What is the net charge on ferrous ion?

+2

+3

+4

+5

Iron has atomic number $26$
Electronic configuration
$= 1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{6} 3 d^{6} 4 s^{2}$
$F e^{2 +}$ (ferrous ion) $1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{6} 3 d^{6} 4 s^{0}$
$F e^{3 +}$ (ferric ion) $1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{6} 3 d^{5} 4 s^{0}$

Q. What is the net charge on ferrous ion?

+2

+3

+4

+5

Iron has atomic number 26 Electronic configuration =1s22s22p63s23p63d64s2 Fe2+ (ferrous ion) 1s22s22p63s23p63d64s0 Fe3+ (ferric ion) 1s22s22p63s23p63d54s0

Iron has atomic number $26$
Electronic configuration
$= 1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{6} 3 d^{6} 4 s^{2}$
$F e^{2 +}$ (ferrous ion) $1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{6} 3 d^{6} 4 s^{0}$
$F e^{3 +}$ (ferric ion) $1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{6} 3 d^{5} 4 s^{0}$