Question

Given below are two statements :
Statement I : $C{r}^{2+}$ is oxidising and $M{n}^{3+}$ is reducing in nature.
Statement II : $S{c}^{3+}$ compounds are repelled by the applied magnetic field.
In the light of the above statements, choose the most appropriate answer from the options given below :

• A. Both Statement I and Statement II are correct
• B. Both Statement I and Statement II are incorrect
• C. Statement I is correct but Statement II is incorrect
• D. Statement I is incorrect but Statement II is correct

Answer 1

Answer: (D)

$C{r}^{+2}\to C{r}^{+3}$
$3d^{4}3d^3(t_{2g}$ Half filled)
(R.A.)
$M{n}^{+3}\to M{n}^{+2}$
$3d^{4}3d^5$ (Half filled 'd' orbital).
(O.A.)