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Sodium+Hydrogen Oxide -----> Sodium Oxide + Hydrogen.

When put into water, it ignites then turns a bright pink/blue/red/purple.

I am intrigued as to where you learned (???) your chemistry.

Sodium + Water (dihydrogen oxide) ------> Sodium Hydroxide + Hydrogen

Also, it is very rare for it to ignite. The heat energy released during the exothermic reaction dissipates quickly to the surrounding water. Therefore, the sodium never gets hot enough to ignite the hydrogen. If you float a piece of filter paper on the water and place the sodium on it, then the sodium's movement on the water is reduced allowing enough heat energy to build up around it. This can ignite the hydrogen being produced. This heats the remaining sodium producing a bright orange flame. Certainly not pink/blue/red/purple !!! Think about flame tests to identify cations. Also, how many sodium lights have you seen that don't produce an orange light ??

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14y ago

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