General Organic Chemistry

\(\text { Identify the most stable carbocation from the following }\)

Observe the following substances.
Ethanol, acetic acid, ethylamine, trimethylamine, salicylic acid. ethanal.
In the above list, the number of substances with H -bonding is

In compound $(X)$, hyperconjugation is present and in $(Y)$, resonance effect is present. What are $X$ and $Y$, respectively?

The number of alicyclic compounds from the following is cyclohexene, anisole, pyridine, tetrahydrofuran, biphenyl.

Arrange the following in the correct order of their acidic strength.

Arrange the following in decreasing order of their basicity.

Number of deactivating group of the following is

\(-\mathrm{Cl},-\mathrm{SO}_3 \mathrm{H},-\mathrm{OH},-\mathrm{NHC}_2 \mathrm{H}_5,-\mathrm{COOCH}_3,-\mathrm{CH}_3\)

The number of nucleophiles in the following list is
\(\mathrm{CH}_3 \mathrm{NH}_2, \mathrm{CH}_3 \mathrm{CHO}, \mathrm{C}_2 \mathrm{H}_4, \mathrm{CH}_3 \mathrm{SH}\)

Tropolone is an example for which of the following class of compounds?

Arrange the following in decreasing order of their acidity.

From the following identify the groups that exhibit negative resonance $(-R)$ effect when attached to conjugated system$$ \begin{array}{ccccc} \text { Formyl } & \text { Amino } & \text { Alkoxy } & \text { Cyano } & \text { Nitro } \\ A & ...

The compound or ion which is not aromatic in the following is

Arrange the following in decreasing order of their pKb values
A. ,\(\mathrm{CH}_3 \mathrm{NH}_2\)
B. \((\mathrm{CH}_3)_3 \mathrm{~N}\)
C.
D.

Identify the ortho and para-directing groups towards aromatic electrophilic substitution reactions from the following list
$$\mathrm{\mathop { - OH}\limits_I \mathop { - CN}\limits_{II} \mathop { - C{O_2}H}\limits_{III} \mathop { - OC{H_3}}...

Identify the product of the following reaction.

Which of the following is not explained by hyperconjugation?

Which compound among the following is
most reactive towards electrophilic reagents?

The major product of the following reaction
sequence is

The following effect is known as