Which is the correct formula for titanium (iii) oxide?

a. ti2o3
b. tio
c. ti3o2
d. ti2o4

The correct answer is Option A.

Explanation:

Titanium is the 22nd element of the periodic table with electronic configuration of

In the naming of the compound, the oxidation state of this element is given +3.

Oxygen is the 8th element of the periodic table with electronic configuration

This element will easily gain 2 electrons and shows an oxidation state of -2.  

By criss-cross method, the oxidation state of titanium and oxygen gets reversed and they form the coefficients of the compound.

The compound formed by the combination of Titanium(III) and oxygen is having chemical name of Titanium (III) oxide.

Thus, the correct answer is Option A.

the mass of the cathode increases because ions from the solution get reduced to atoms and become part of the cathode.

explanation:

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