Which of the following complex has zero magnetic moment (spin only)?

Question

Which of the following complex has zero magnetic moment (spin only)? (A) [ mathrmNi( mathrmNH3)6] mathrmCl2 (B) N a3[.F e F6]. (C) [ mathrmCr( mathrmH2 mathrmO)6] mathrmSO4 (D) K4[.Fe(C N)6].

Tardigrade Admin · Accepted Answer

Ferrocyanide ion ([F e (C N)6])4 - is diamagnetic in nature hence K4[.Fe(C N)6]. complex has zero magnetic moment. textFe atom text3d text6 text4s text2 text4p text0 textFe text(II) textd text2 textsp text3 hybridisation <img class="img-fluid question-image" alt="Solution" src="https://cdn.tardigrade.in/q/nta/c-morry9dipzyk.png" />

Q. Which of the following complex has zero magnetic moment (spin only)?

$[Ni (NH_{3})_{6}] Cl_{2}$

$N a_{3} [F e F_{6}]$

$[Cr (H_{2} O)_{6}] SO_{4}$

$K_{4} [F e (CN)_{6}]$

Ferrocyanide ion $([F e (CN)_{6}])^{4 -}$ is diamagnetic in nature hence $K_{4} [F e (CN)_{6}]$ complex has zero magnetic moment.

$Fe$ atom $3d^{6} 4s^{2} 4p^{0}$

$Fe (II)$

$d^{2} sp^{3}$ hybridisation

Q. Which of the following complex has zero magnetic moment (spin only)?

[Ni(NH3​)6​]Cl2​

Na3​[FeF6​]

[Cr(H2​O)6​]SO4​

K4​[Fe(CN)6​]

Ferrocyanide ion ([Fe(CN)6​])4− is diamagnetic in nature hence K4​[Fe(CN)6​] complex has zero magnetic moment. Fe atom 3d64s24p0 Fe(II) d2sp3 hybridisation

$[Ni (NH_{3})_{6}] Cl_{2}$

$N a_{3} [F e F_{6}]$

$[Cr (H_{2} O)_{6}] SO_{4}$

$K_{4} [F e (CN)_{6}]$

Ferrocyanide ion $([F e (CN)_{6}])^{4 -}$ is diamagnetic in nature hence $K_{4} [F e (CN)_{6}]$ complex has zero magnetic moment.

$Fe$ atom $3d^{6} 4s^{2} 4p^{0}$

$Fe (II)$

$d^{2} sp^{3}$ hybridisation