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