MCQ
Which of the following is non-aromatic ?
- APyrrole
- BThiophene
- CFuran
- ✓Pyran
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$\mathrm{NH}_3, \mathrm{SO}_2, \mathrm{SiO}_2, \mathrm{BeCl}_2, \mathrm{CO}_2, \mathrm{H}_2 \mathrm{O}, \mathrm{CH}_4, \mathrm{BF}_3$
$[Figure]$ $\xrightarrow[{Heat}]{{NaOC{H_3}\left( {1\,eq.} \right)}}$
$[Image]$
The total number of structures/compounds which possess asymmetric carbon atoms is $....$
$Cr_2O_7^{2-}$ ( $aq$ $1\,M$ ) $+ 14H^+(aq) + 6e^-$ $\rightarrow 2Cr^{+3} (aq,\,1\,M) + 7H_2O (l)$