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JEE MAIN - Chemistry (2015 (Offline) - No. 17)

Which of the following compounds is not colored yellow?
K3[Co(NO2)6]
(NH4)3[As(Mo3O10)4]
BaCrO4
Zn2[Fe(CN)6]

Paskaidrojums

Zn2[Fe(CN)6] is white in color as it does not have unpaired electrons.

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