Choose the correct option having all the elements with d10 electronic configuration from the following: (A) 27Co, 28Ni, 26Fe, 24Cr (B) 29Cu, 30Zn, 48Cd, 47Ag (C) 46Pd, 28Ni, 26Fe, 24Cr (D) 28Ni, 24Cr,

Question

Choose the correct option having all the elements with d10 electronic configuration from the following:

(A) 27Co, 28Ni, 26Fe, 24Cr
(B) 29Cu, 30Zn, 48Cd, 47Ag
(C) 46Pd, 28Ni, 26Fe, 24Cr
(D) 28Ni, 24Cr, 26Fe, 29Cu

Prashant Kotian · Accepted Answer

Correct answer: B. [Cr] = [Ar]4s1 3d5 [Cd] = [Kr]5s24d10 [Cu] = [Ar]4s13d10 [Ag] = [Kr]5s14d10 [Zn] = [Ar]4s23d10 $//(1® Final JEE-Main Exam January, 2024/27-01-2024/

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