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AP EAMCET20226 Jul 2022Morning ShiftChemistrys Block ElementsActual

The colour of Mg ( OH )₂ precipitate formed when it is precipitated in the presence of magneson reagent is

Options

  1. AGreen
  2. BYellow
  3. CBrown
  4. DBlue

Correct answer

D. Blue

Step-by-step solution

It is a violet dye and experimentally as a pH indicator, appearing yellow below pH11 and violet above pH 13 . In alkaline medium, it forms a complex with Mg ²⁺ , which is deep blue in colour.

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