See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

Sol. NaOH 2 Ag O Brownppt.  2 H / H S  2 Ag O Blackppt.  4 NH OH Excess   3 2 Ag NH solution      Ag KCl 2 Ag O Whiteppt.    4 6 K Fe CN       4 6 Ag Fe CN Whie ppt.    