Which transition in \[L{{i}^{{{2}^{+}}}}\] would have the same wavelength as the \[2\text{ }\to \text{ }4\] transition in \[H{{e}^{+}}\] ion?

• A. 4 \[\to \] 2
• B. 2 \[\to \] 4
• C. 3 \[\to \] 6           
• D. 6 \[\to \] 2