The d & f Block Elements — Chemistry STD 12 Science — Question
Rajasthan BoardEnglish MediumSTD 12 ScienceChemistryThe d & f Block Elements1 Mark
Question
Which of the following species do not exist?
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Answer
$PbF_{4}$ exists but $PbI_{4}$ does not exist as $I_{2 }$ reduces $Pb(II)$ to $Pb$ and oxidizes $I$ to $I_2.$ Since, $I_2$ is not strong reducing agent to reduce $Pb(II)$ to $Pb.$
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