Transition and InnerTransition Elements - Result Question 100

####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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Solution:

  1. In $CuCl _2, Cu^{2+}$ has $d^{9}$ configuration, exhibit $d-d$ transition and show colour. Similarly in $VOCl _2, V^{4+}$ has $d^{1}$ configuration, can exhibit $d-d$ transition and show colour.


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