If you put magnesium in hot water, then after a while the resulting solution will give a raspberry color with phenolphthalein

If you put magnesium in hot water, then after a while the resulting solution will give a raspberry color with phenolphthalein. Explain this phenomenon and write down the reaction equations.

Mg + 2H2O = Mg (OH) 2 + H2 (when heated)
Raspberry color is formed due to the formation of an alkaline environment.

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