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The $K _{\text {s }}$ of $Ag _2 CrO _4$ is $1.1 \times 10^{-12}$ at $298 K$. The solubility (in $mol / L$ ) of $Ag _2 CrO$, in a $0.1 M AgNO _2$, solution is

• A
  $(A)$ $1.1 \times 10^{-11}$
• ✓
  $(B)$ $1.1 \times 10^{-10}$
• C
  $(C)$ $1.1 \times 10^{-12}$
• D
  $(D)$ $1.1 \times 10^{-9}$