MCQ
Which of the following are aromatic?
- AB and D only
- BA and C only
- CA and B only
- DC and D only
✓
Answer
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
Match List$-l$ with List$-ll$ :
→| List$-I$ (Oxoacids of Sulphur) | List$-II$ (Bonds) |
| $A$. Peroxodisulphuric acid | $I$. Two $S - OH$, Four $S = O$, One $S - O - S$ |
| $B$. Sulphuric acid | $II$. Two $S - OH$, One $S = O$ |
| $C$. Pyrosulphuric acid | $III$. Two $S - OH$, Four $S = O$, One $S - O - O - S$ |
| $D$. Sulphurous acid | $IV$. Two $S - OH$, Two $S = O$ |
Choose the correct answer from the options given below.
Name the molecule which is eliminated during the formation of peptide bond
The fundamental basis of the present-day Periodic Table is that elements are
Increasing the concentration of an electrophile in a typical $S_{N^2}$ reaction by a factor of $3$ and the concentration of the nucleophile by a factor of $3$ will change the reaction rate to
→A mixture of benzaldehyde and formaldehyde on heating with aqueous $NaOH$ solution gives :-
→What is true for ${[Fe{(CN)_6}]^{3 - }}$ and ${[Fe{F_6}]^{3 - }}$
→When ice melts to form liquid water at $0\,^oC$, there is a contraction in volume. This is due to
→If $0.5\,g$ of mixture of two metals $A$ and $B$ with respective equivalent weights $12$ and $9$ displace $560\,mL$ of $H_2$ at $STP$ from an acid, the composition of the mixture is
→$A$ is
→Compounds which can show both optical as well as geometrical isomerism