STD 12 - 4. d and f- block elements — NEET STD 11 Science — Question
Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 12 - 4. d and f- block elements4 Marks
MCQ
If $CdI_2$ is pink in colour, the $CdCl_2$ will be ........... coloured.
A
yellow
B
red
C
blue
✓
cannot be predicted
✓
Answer
Correct option: D.
cannot be predicted
d $(d)$ In $CdI_2,$ Pink colour is due to polarization of $I^-$ by $Cd^{2+}$ has pseudonoble gas configuration. In $CdCl_2,$ extent of polarization of $Cl^-$ by $Cd^{2+}$ is relatively less, hence specific colour cannot be predicted.
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