See image — AITS & Test Series Chemistry Question
Question
See image
Answer: A
💡 Solution & Explanation
Ag+ - Ag2S - AgI yellow - 1st group Zn2+ - 4th group - ZnS - Soluble in KI - form Amphoteric Oxide Pb2+ - Pbs - PbI2 yellow - 1st and 2nd group - form Amphoteric oxides Bi3+ - Bi2S3 - BiI3 Black - BiO+X– (white ppt on dilution with water) - 2nd group
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