Match List I with List II List I (Ions) List II (Magnetic moment (BM)) A. Co 2+ I. 1.73 B. Mn 2+ II. 3.87 C. Cr 2+ III. 4.90 D. Cu 2+ IV. 5.92 Choose the correct answer from the options given below:

(A)- (II), (B)- (IV), (C)- (III), (D)- (I)

Match List I with List II List I (Ions) List II (Magnetic moment (BM)) A. Co 2+ I. 1.73 B. Mn 2+ II. 3.87 C. Cr 2+ III. 4.90 D. Cu 2+ IV. 5.92 Choose the correct answer from the options given below:}

(A)- (II), (B)- (IV), (C)- (III), (D)- (I)

(A)- (I), (B)- (III), (C)- (II), (D)- (IV)

(A)- (I), (B)- (II), (C)- (IV), (D)- (III)

(A)- (III), (B)- (IV), (C)- (I), (D)- (II)

Question:

Match List I with List II
List I (Ions) List II (Magnetic moment (BM))
A. Co²⁺ I. 1.73
B. Mn²⁺ II. 3.87
C. Cr²⁺ III. 4.90
D. Cu²⁺ IV. 5.92
Choose the correct answer from the options given below:

List I (Ions)	List II (Magnetic moment (BM))
A. Co²⁺	I. 1.73
B. Mn²⁺	II. 3.87
C. Cr²⁺	III. 4.90
D. Cu²⁺	IV. 5.92

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Magnetic moments correspond to the number of unpaired electrons in the ion’s electronic configuration.

Updated On: Mar 13, 2025

(A)- (II), (B)- (IV), (C)- (III), (D)- (I)
(A)- (I), (B)- (III), (C)- (II), (D)- (IV)
(A)- (I), (B)- (II), (C)- (IV), (D)- (III)
(A)- (III), (B)- (IV), (C)- (I), (D)- (II)

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The Correct Option is A

Solution and Explanation

The magnetic moments of the ions are related to the number of unpaired electrons in their electronic configuration. The given magnetic moments and electronic configurations for the ions are:

(A) \( \text{Co}^{2+} \) has a magnetic moment of 3.87 BM (which corresponds to 3 unpaired electrons).
(B) \( \text{Mn}^{2+} \) has a magnetic moment of 5.92 BM (which corresponds to 5 unpaired electrons).
(C) \( \text{Cr}^{2+} \) has a magnetic moment of 4.90 BM (which corresponds to 4 unpaired electrons).
(D) \( \text{Cu}^{2+} \) has a magnetic moment of 1.73 BM (which corresponds to 1 unpaired electron).

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