An excess of Ag2CrO4(s) is added to a 5×10−3MK2CrO4 solution. The concentration of Ag+ in the solution is closest to.[Solubility product for Ag2CrO4=1.1×10−12]
A
2.2×10−10M
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B
1.5×10−5M
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C
1.0×10−6M
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D
5.0×10−3M
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Solution
The correct option is B1.5×10−5M
Since, K2CrO4 is a strong electrolyte so the concentration of chromate ion will be almost equal to the concentration of K2CrO4.