A good qualitative test for titanium(IV) oxide is that when the compound reacts

Question

A good qualitative test for titanium(IV) oxide is that when the compound reacts with hydrogen peroxide and sulfuric acid, the solution turns orange-red. If you were to use this test to determine the amount of titanium(IV) oxide is paint, you would need which of the following information? Select all that apply. The melting point of titanium(IV) oxide The boiling point of titanium(IV) oxide The electrical conductivity, K The pH of the solution The specific heat capacity, c The molar absorptivity, epsilon The activation energy for the reaction, E_a The wavelength of maximum absorbance, lambda_max The concentration of titanium(IV) oxide

Explanation / Answer

The melting point, the boiling point and concentration of Titanium (4) oxide should be known.

The boiling point should be known because at the start of the reaction titanium oxide is dissolved in sulfuric acid and heated just to the extent so that sulfuric acid may vaporize out. Later, the solution has to be filtered and H2O2 is added. A color change from yellow to red occurs.

The concentration of solution should be known for titration. Titration is carried out to estimate amount of Titanium oxide in a solution.

Melting point should be known because solution has to be dried and checked for loss in weight. During this, the titanium oxide should not melt.

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