Consider the following statements regarding TiO2:
I. TiO2 exists in both rutile and anatase forms.
II. Rutile is the most stable polymorph of TiO2 at high temperatures.
III. TiO2 is used as a white pigment in paints.
IV. TiO2 can be synthesized through hydrolysis of titanium alkoxides.
The option containing the correct statements is:
1
II and III only
2
I, II, III and IV
3
I and III only
4
II, III and IV only