Transition and InnerTransition Elements - Result Question 26
27. Which of the following pair is expected to exhibit same colour in solution?
(2005, 1M)
(a) $VOCl _2 ; FeCl _2$
(b) $CuCl _2 ; VOCl _2$
(c) $MnCl _2 ; FeCl _2$
(d) $FeCl _2 ; CuCl _2$
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Answer:
Correct Answer: 27. (b)
Solution:
In $CuCl_2$, $Cu^{2+}$ has $d^{9}$ configuration, exhibits $d-d$ transition and shows colour. Similarly in $VOCl_2$, $V^{4+}$ has $d^{1}$ configuration, can exhibit $d-d$ transition and show colour.
BETA
