Salt Analysis

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Q1. Which compound is responsible for the green flame in the Borate ion test?
  •  \\(\\left(\\mathrm{CH}_3\\right)_3 \\mathrm{BO}_3\\)
  •  \\(\\left(C_2 \\mathrm{H}_5\\right)_3 \\mathrm{BO}_3\\)
  •  \\(\\mathrm{H}_3 \\mathrm{BO}_3\\)
  •  \\(\\mathrm{(C_2 H_5)_3 \\mathrm{BO}_4}\\)
Q2.

What chemical changes occur when Mohr’s salt is strongly heated?

  • It decomposes into ferric oxide and ammonia gas.
  • It sublimes directly into ferrous sulfate and ammonium sulfate.
  • It forms a complex with water molecules.
  • It undergoes a reversible reaction to form ferrous hydroxide and ammonium sulfide.