Q58 / 180 · JIPMER 2019 · Chemistry

Bordeaux mixture consist of

  • Correct answer
    A
    $\mathrm{CuSO}_4+\mathrm{Ca}(\mathrm{OH})_2$
  • B
    $\mathrm{CuSO}_4+\mathrm{CaCl}_2$
  • C
    $\mathrm{ZnSO}_4+\mathrm{Mg}(\mathrm{OH})_2$
  • D
    $\mathrm{FeSO}_4+\mathrm{Ba}(\mathrm{OH})_2$

Solution

Bordeaux is a mixture of copper (II) sulphate $\left(\mathrm{CuSO}_4\right.$ ) and slaked lime $\left[\mathrm{Ca}(\mathrm{OH})_2\right]$ used as a fungicide. It was invented in the Bordeaux region of france in the late 19th century. If it is applied in large quantities annually for many years, the copper in the mixture eventually becomes a pollutant.

Hence, the correct answer is option: 'A'.

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