MCQ
Which of the following are not aromatic
- ABenzene
- BCyclo-octatetrarenyl dianion
- CTropyllium cation
- ✓Cyclopentadienyl cation
✓
Answer
Correct option: D.
Cyclopentadienyl cation
d
It’s obvious.
It’s obvious.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
The $IUPAC$ name of is
→Which of the following has highest heat of hydrogenation.
Which of the following show optical isomersim
Two radiations having energies $E_1$ and $E_2$ as $15\,eV$ and $45\, eV$ respectively then the relationship in between $\lambda_1$ and $\lambda_2$ will be
→Which pair of elements can form multiple bond with itself and oxygen?
$15\, mL$ of aqueous solution of $Fe ^{2+}$ in acidic medium completely reacted with $20\, mL$ of $0.03\, M$ aqueous $Cr _{2} O _{7}^{2-}$ The molarity of the $Fe ^{2+}$ solution is ........... $\times 10^{-2} M$ (Round off to the Nearest Integer).
→$d-$ tartaric acid and $l-$ tartaric acid are
→$200\; mL$ of $0.01\; M\; HCl$ is mixed with $400 \;mL$ of $0.01\; M\; H _{2} SO _{4}$. The $pH$ of the mixture is
→How many moles of hydrazine $(N_2H_4)$ can be oxidized into $N_2$ using $\frac{2}{3}$ mole of bromate ions $(BrO_3^- \to Br^- )$ :-
→The $pH$ of $0.05 \,M$ solution of dibasic acid is
→