Coordination Compounds Question 1
Question 1 - 2024 (01 Feb Shift 1)
Given below are two statements:
Statement (I): A solution of $\left[Ni\left(H _2 O\right) _6\right]^{2+}$ is green in colour.
Statement (II): A solution of $\left[Ni(CN) _4\right]^{2-}$ is colourless.
In the light of the above statements, choose the most appropriate answer from the options given below:
(1) Both Statement I and Statement II are incorrect
(2) Both Statement I and Statement II are correct
(3) Statement I is incorrect but Statement II is correct
(4) Statement I is correct but Statement II is incorrect
Show Answer
Answer (2)
Solution
$\left[Ni\left(H _2 O\right) _6\right]^{+2} \rightarrow$ Green colour solution due to $d-d$ transition.
$\left[Ni(CN) _4\right]^{-2} \rightarrow$ is diamagnetic and it is colourless.
