Boron and Carbon FamilyMedium
Question
Identify the incorrect statement from the following:
Options
A.Carbon has the ability to form $p\pi - p\pi$ multiple bond with itself.
B.${ECl}_{3}(E = B$ and AI) is a monomer when $E = B$ and a dimer when $E = Al$.
C.The order of catenation property of Group 14 elements is $C \gg Si > Ge \approx Sn$.
D.Oxygen exhibits only -2 oxidation state.
Solution
Sol. [Key Concept: Evaluating statements — pick the incorrect one]
(1) C can form $p\pi - p\pi$ multiple bonds with itself.
It is observed when it forms $C = C$ and $C \equiv C$
(2)${ECl}_{3}(E = B$ and Al$)$
${BCl}_{3}$ does not form dimer.
${AlCl}_{3}$ can form dimer in ${Al}_{2}{Cl}_{6}$.
(3) Catenation property of group $14C \gg Si > Ge \approx Sn$.
(4) Oxygen exhibits oxidation state of 0 in $O_{2}$, -2 in oxides, -1 in peroxides. So this statement is incorrect.
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