Which of following is compound C?

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Target Exam

CUET

Subject

Chemistry

Chapter

Inorganic: D and F Block Elements

Question:

Colourless salt (A) gives white ppt (B) with NaOH; ppt (B) dissolves in excess of NaOH to form (C). On passing H₂S gas into (A) solution white ppt (D) appears. (A) also gives white ppt (E) with AgNO₃ solution.