MCQ
Three fused benzene rings are found in
- ANaphthalene
- ✓Anthracene
- CPhenanthroline
- DTriphenyl methane
Anthracene is used in the production of the red dye alizarin and other dyes.
Anthracene is colorless but exhibits a blue $(400-500\, nm$ peak) fluorescence under ultraviolet radiation
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$C{H_3} - C \equiv C - H\xrightarrow{{NaN{H_2}}}\xrightarrow{{C{H_3} - I}}(A)\xrightarrow{{Li/liq\,N{H_2}}}(B)$
$C{H_3} - C \equiv C - H\xrightarrow{{NaN{H_2}}}\xrightarrow{{C{H_3} - I}}(A)\xrightarrow[{Pd.CaC{O_3}}]{{{H_2}}}(C)$
