M(Salt) + Dil. HCl -Warm- N↑ + P↓; gas 'N' changes colour of FeSO4 solution into yellow solution then salt M in above reaction is :

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Question

M(Salt) + Dil. HCl -Warm-> N↑ + P↓; gas 'N' changes colour of FeSO4 solution into yellow solution then salt M in above reaction is :

Prashant Kotian · Accepted Answer

Correct answer: C. AgNO2 + HCl -Warm-> AgCl↓ + NO2↑. NO2 + FeSO4 sol + air -> Fe^3+(aq.) (yellow sol.).

💡 Solution & Explanation