According to the crystal field theory, $\mathrm{d}-\mathrm{d}$ transition observed in $\left[\mathrm{Ti}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{3+}$ is
(a)Laporte forbidden and spin allowed
(b)Laporte allowed and spin forbidden
(c)Laporte forbidden and spin forbidden
(d)Laporte allowed and spin allowed
Answer
Answer: A ✓ checked by 4AB · confidence high
Explanation
d¹ Ti(III): the ²T₂g→²E_g band is spin-allowed but Laporte-forbidden (a).