Titanium dioxide the most widely used white pigment occurs naturally
Titanium dioxide, the most widely used white pigment, occurs naturally but is often colored by the presence of impurities. The chloride process is often used in purifying rutile, a mineral form of titanium dioxide,
a. Show that the unit cell for rutile, illustrated below', conforms to the formula TiO2.
b. The reactions for the chloride process are
Assign oxidation states to the elements in both reactions. Which elements are being reduced, and which are being oxidized? Identify the oxidizing agent and the reducing agent in each reaction.
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