A colourless solution of a compound gives a precipitate with AgNO 3 solution but no…

Chemistry · JEE Main · NTA ExamsPrinciples Related To Practical Chemistry

A colourless solution of a compound gives a precipitate with AgNO3 solution but no precipitate with a solution of Na2CO3. The action of concentrated H2SO4 on the compound liberates a suffocating reddish brown gas. The compound is :
  1. Ba(CH3COO)2
  2. CaCl2
  3. NaI
  4. NaBr

Answer

(D) NaBr

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