Q.

Among PbS,AgI,NiS,CdS, PbI2,HgS,PbCrO4,Ag2CrO4 the total number of yellow color compounds is

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answer is 4.

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Detailed Solution

PbS-black, NiS-black, HgS-Black, Ag2CrO4=Red. Remaining are yellow in color.
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Among PbS,AgI,NiS,CdS, PbI2,HgS,PbCrO4,Ag2CrO4 the total number of yellow color compounds is