Identify the oxidation states of titanium $\left(Z=22\right)$ and copper $\left(Z=29\right)$ in their colourless compounds.

• A

  $T{i}^{3+}, C{u}^{2+}$
• B

  $T{i}^{2+}, C{u}^{2+}$
• Correct answer
  C

  $T{i}^{4+}, C{u}^{1+}$
• D

  $T{i}^{4+}, C{u}^{2+}$

Hence, the correct answer is option: 'C'.