X --(Δ, conc. H3PO4)-- Y↑ ; Y↑ --(FeCl3 vapour)-- Z↑ (coloured vapours) ; Y↑ --(AgNO3)-- Q↓ (soluble in excess conc. NH3 soln.). Which of the following anion cannot be in X ?

Question

X --(Δ, conc. H3PO4)--> Y↑ ; Y↑ --(FeCl3 vapour)--> Z↑ (coloured vapours) ; Y↑ --(AgNO3)--> Q↓ (soluble in excess conc. NH3 soln.). Which of the following anion cannot be in X ?

Prashant Kotian · Accepted Answer

Correct answer: A,D. AgCl and AgBr dissolve in excess of conc. ammonia solution. AgI does not dissolve in excess conc. NH3 solution.

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