Amongst FeCl 3 .3 H 2 O , K 3[ Fe ( CN )6] and [ Co ( NH 3)6] Cl 3, the spin-only magnetic moment value of the inner-orbital complex that absorbs light at shortest wavelength is B.M. [nearest integer]

Question

Amongst FeCl 3 .3 H 2 O , K 3[ Fe ( CN )6] and [ Co ( NH 3)6] Cl 3, the spin-only magnetic moment value of the inner-orbital complex that absorbs light at shortest wavelength is B.M. [nearest integer] (A)  (B)  (C)  (D)

Tardigrade Admin · Accepted Answer

[ Fe ( H 2 O )3 Cl 3], underbrace K 3[ Fe ( CN )6],[ Co ( NH 3)6] Cl 3 textinner orbital complexes K 3[ Fe ( CN )6] has more value of Δ0 than that of [ Co ( NH 3)6] Cl 3 ; as overline C N is stronger ligand. <img class="img-fluid question-image" alt="image" src="https://cdn.tardigrade.in/img/question/chemistry/cc14a64619dd0b91003f2640dca07616-.png" /> Spin only magnetic moment (μ)=√3 BM =1.732 BM Rounding off ⇒ 2

Q. Amongst FeCl3​.3H2​O,K3​[Fe(CN)6​] and [Co(NH3​)6​]Cl3​, the spin-only magnetic moment value of the inner-orbital complex that absorbs light at shortest wavelength is ____B.M. [nearest integer]

[Fe(H2​O)3​Cl3​],inner orbital complexesK3​[Fe(CN)6​],[Co(NH3​)6​]Cl3​​​ K3​[Fe(CN)6​] has more value of Δ0​ than that of [Co(NH3​)6​]Cl3​; as CN is stronger ligand. Spin only magnetic moment (μ)=3​BM =1.732BM Rounding off ⇒2

Q. Amongst $F e C l_{3} .3 H_{2} O, K_{3} [F e (CN)_{6}]$ and $[C o (N H_{3})_{6}] C l_{3}$ , the spin-only magnetic moment value of the inner-orbital complex that absorbs light at shortest wavelength is ____B.M. [nearest integer]