Arrange the following elements in the increasing order of number of unpaired electrons in it. (A) Sc (B) Cr (C) V (D) Ti (E) Mn Choose the correct answer from the options given below: (A) (C)

Question

Arrange the following elements in the increasing order of number of unpaired electrons in it. (A) Sc (B) Cr (C) V (D) Ti (E) Mn Choose the correct answer from the options given below:

(A) (C) < (E) < (B) < (A) < (D)
(B) (B) < (C) < (D) < (E) < (A)
(C) (A) < (D) < (C) < (B) < (E)
(D) (A) < (D) < (C) < (E) < (B)

Prashant Kotian · Accepted Answer

Correct answer: D. Unpaired electron Sc[Ar] 4s2 3d1 Cr[Ar] 4s1 3d5 V[Ar] 4s2 3d3 Ti : [Ar] 4s2 3d2 Mn : [Ar] 4s2 3d5

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