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Pair of complexes, which do not have equal number of unpaired electron(s) ?
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a
Co(CO)4−,Ni(CN)44−
b
CoH2O63+,NiF62−
c
Ni(en)32+Cr(CN)64−
d
Co(CN)64−,CrNH363+
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Correct option is D
Co(CN)64−Co2+,d7,SFL CrNH363+Cr3+,d3,SFLTalk to our academic expert!
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The d-electron configuration of and respectively are:
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