Which of the following configuration is/are correct for the first excitation state of given species?

Question

Which of the following configuration is/are correct for the first excitation state of given species? (A) Cr :[ Ar ] 3 d5, 4 s1 (B) Fe 2+:[ Ar ] 3 d5 (C) Mn 3+:[ Ar ] 3 d3, 4 s1 (D) Co 3+:[ Ar ] 3 d5, 4 s1

Tardigrade Admin · Accepted Answer

Correct answer is (c) Mn 3+:[ Ar ] 3 d3, 4 s1Correct answer is (d) Co 3+:[ Ar ] 3 d5, 4 s1

Q. Which of the following configuration is/are correct for the first excitation state of given species?

$C r : [A r] 3 d^{5}, 4 s^{1}$

$F e^{2 +} : [A r] 3 d^{5}$

$M n^{3 +} : [A r] 3 d^{3}, 4 s^{1}$

$C o^{3 +} : [A r] 3 d^{5}, 4 s^{1}$

Correct answer is (c) $M n^{3 +} : [A r] 3 d^{3}, 4 s^{1}$ Correct answer is (d) $C o^{3 +} : [A r] 3 d^{5}, 4 s^{1}$

Q. Which of the following configuration is/are correct for the first excitation state of given species?

Cr:[Ar]3d5,4s1

Fe2+:[Ar]3d5

Mn3+:[Ar]3d3,4s1

Co3+:[Ar]3d5,4s1

Correct answer is (c) Mn3+:[Ar]3d3,4s1 Correct answer is (d) Co3+:[Ar]3d5,4s1

$C r : [A r] 3 d^{5}, 4 s^{1}$

$F e^{2 +} : [A r] 3 d^{5}$

$M n^{3 +} : [A r] 3 d^{3}, 4 s^{1}$

$C o^{3 +} : [A r] 3 d^{5}, 4 s^{1}$

Correct answer is (c) $M n^{3 +} : [A r] 3 d^{3}, 4 s^{1}$ Correct answer is (d) $C o^{3 +} : [A r] 3 d^{5}, 4 s^{1}$