p-Block Elements-I - Result Question 14-1
14. Which of the following halides is least stable and has doubtful existence?
(1996, 1M)
(a) $\mathrm{CCl}_4$
(b) $\mathrm{GeI}_4$
(c) $\mathrm{SnI}_4$
(d) $\mathrm{PbI}_4$
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Answer:
Correct Answer: 14. (d)
Solution:
- $PbI_4$ is least stable, has doubtful existence. It is due to inert pair effect, the stable oxidation state of lead is $+ 2$.
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