Question

Write down 10 examples of Poly nuclear

Answer 1

These are the examples of Poly Nuclear Aromatic Hydrocarbon
anthracene
phenanthrene
tetracene
chrysene
pyrene (note benzo[a]pyrene was the first carcinogen to be discovered)
pentacene
corannulene
coronene
ovalene

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Answer 2

examples of polynuclear, sulfur-containing, zirconium compounds. Synthesis and structural characterization of the trinuclear Zr3S3(S-tert-Bu)2(BH4)4(THF)2 and the hexanuclear Zr6S6(S-tert-Bu)4(BH4)8(THF)2 clusters