Given below are two statements:
Statement (I): A solution of [Ni(H_2 O)_6 ]^(2+) is green in colour.
Statement (II): A solution of [Ni(CN)_4 ]^(2-) is colourless.
In the light of the above statements, choose the most appropriate answer from the options given below:
Select the correct option:
A
Both Statement I and Statement II are incorrect
B
Both Statement I and Statement II are correct
C
Statement I is incorrect but Statement II is correct
D
Statement I is correct but Statement II is incorrect
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
$\left[\mathrm{Ni}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{+2} \rightarrow$ Green colour solution due to d-d transition. $\left[\mathrm{Ni}(\mathrm{CN})_4\right]^{-2} \rightarrow$ is diamagnetic and it is colourless.
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