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Which of the following imparts green colour to the burner flame?

Options

  1. AB ( OMe )₃
  2. BNa ( OMe )
  3. CAl ( OPr )₃
  4. DSn ( OH )₂ .

Correct answer

A. B ( OMe )₃

Step-by-step solution

The vapours of trialkyl borates B ( OR )₃ or R₃ BO ₃ burn with green edged flame. This is the qualitative test of borates. array r 2 BO ₃ ³⁻+3 H ₂ SO ₄ 3 SO ₄ ²⁻+ H ₃ BO ₃ boric acid H ₃ BO ₃+3 ROH R₃ BO ₃+3 H ₂ O array

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