Amongst the following, the total number of species which are diamagnetic is . K4[Fe (CN)6],K3[Cr (CN)6],K3[Co (CN)6], K2[Ni (CN)4],([Co ((NH)3)6])3 +,K2[(TiF)6],([Pt ((NH)3)4])2 +

Question

Amongst the following, the total number of species which are diamagnetic is . K4[Fe (CN)6],K3[Cr (CN)6],K3[Co (CN)6], K2[Ni (CN)4],([Co ((NH)3)6])3 +,K2[(TiF)6],([Pt ((NH)3)4])2 + (A)  (B)  (C)  (D)

Tardigrade Admin · Accepted Answer

([Fe (CN)6])4 -,([Co (CN)6])3 - ([Ni (CN)4])2 -,([Co ((NH)3)6])3 +,([(TiF)6])2 - ([Pt ((NH)3)4])2 + all are diamagnetic due to absence of unpaired electrons. K4[Fe (CN)6]hast2 g6,eg 0configuration,K3[Cr (CN)6]hast2 g3,eg 0configuration,K3[Co (CN)6]hast2 g6,eg 0configuration.Similarly,K2[Ni (CN)4]has(dsp)2hybridisation,([Co ((NH)3)6])3 +hast2 g6,eg 0configuration,K2[(TiF)6]hasd0configurationand([Pt ((NH)3)4])2 +is(dsp)2hybridised.

Q. Amongst the following, the total number of species which are diamagnetic is _______. K4​[Fe(CN)6​],K3​[Cr(CN)6​],K3​[Co(CN)6​], K2​[Ni(CN)4​],([Co((NH)3​)6​])3+,K2​[(TiF)6​],([Pt((NH)3​)4​])2+

Q. Amongst the following, the total number of species which are diamagnetic is _______.
$K_{4} [F e (CN)_{6}], K_{3} [C r (CN)_{6}], K_{3} [C o (CN)_{6}],$ $K_{2} [N i (CN)_{4}], ([C o ((N H)_{3})_{6}])^{3 +}, K_{2} [(T i F)_{6}], ([Pt ((N H)_{3})_{4}])^{2 +}$