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The number of delectrons retained in Fe^2+ (At. no. Fe = 26) ions is

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asked Mar 31, 2018 in Chemistry by paayal (26,720 points) ● 4 ● 6 ● 11

The number of delectrons retained in Fe2+ (At. no. Fe = 26) ions is
(a) 3 

(b) 4

(c) 5 

(d) 6.

1 Answer

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answered Mar 31, 2018 by sanjaydas (61,430 points) ● 5 ● 7 ● 7
selected Apr 1, 2018 by Vikash Kumar
 
Best answer

(d) : 26Fe = 1s2 2s2 2p6 3s2 3p6 3d6 4s2
Fe++ = 1s2 2s2 2p6 3s2 3p6 3d6
The number of d electrons retained in Fe2+ = 6.

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