A) Nitrous acid and acidified solutions of nitrites are oxidising agents
B) Nitrous acid and acidified solutions of nitrites act as reducing agents in the presence of acidified hydrogen peroxide
C) \[{{K}_{3}}{{C}_{60}}\]fullerene compound is not known
D) \[{{C}_{60}}\]fullerene is a covalent material
Correct Answer: C
Solution :
\[{{K}_{3}}{{C}_{60}}\]is a well-known compound that is used as superconductor.
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