List of top Chemistry Questions on Organic Chemistry

Bromine trifluoride auto ionizes into BrF\(_2^+\) and BrF\(_4^-\). The geometry of these ions respectively are:

Consider the following sequence of reactions.

The percentage of nitrogen in the yellow product (X) formed is ________ %. (Nearest Integer)
(Given Molar mass in $\text{g mol}^{-1}$ H:1, C:12, N:14)

One mole each of He and $A(g)$ are taken in a 10 L closed flask and heated to 400 K to establish the following equilibrium.
$$A(g) \rightleftharpoons B(g)$$
$K_c$ for this reaction at 400 K is 4.0. The partial pressures (in atm) of He and $B(g)$ are respectively (at equilibrium)
(Assume He, $A(g)$ and $B(g)$ behave as ideal gases)
(Given : $R = 0.082 \text{ L atm K}^{-1} \text{ mol}^{-1}$)

Consider the following data.

$$\begin{array}{|c|c|} \hline \text{Electrolyte} & \Lambda_m^\circ (\text{S cm}^2 \text{ mol}^{-1}) \\ \hline \text{BaCl}_2 & x_1 \\ \hline \text{H}_2\text{SO}_4 & x_2 \\ \hline \text{HCl} & x_3 \\ \hline \end{array}$$

$\text{BaSO}_4$ is sparingly soluble in water. If the conductivity of the saturated $\text{BaSO}_4$ solution is $x$ S cm$^{-1}$ then the solubility product of $\text{BaSO}_4$ can be given as
(Here $\Lambda_m = \Lambda_m^\circ$)

Given below are two statements: Statement-I: Methane can be prepared by decarboxylation of sodium acetate, by Kolbe’s electrolysis, and by \( \text{CH}_3\text{MgBr} \).
Statement-II: Methane can’t be prepared by unsaturated hydrocarbon and by Wurtz reaction. Choose the correct option:

Find the percentage of nitrogen in the final product.

Statement-I: 3-Phenylprop-1-ene will react with HBr and give alkyl halide as the major product having 1 chiral carbon atom. Statement-II: Aryl chloride and Aryl cyanide both can be formed by Gattermann and Sandmeyer reactions.

Given below are two statements: Statement-I: 2,4-Diethylcyclohexanone and 2-methyl-6-propylcyclohexanone are metameres.
Statement-II: 2,2,6,6-Tetraethylcyclohexanone will show tautomerism. Choose the correct option:

4.7 g of phenol \( \xrightarrow{Zn,\Delta} X \)
If the reaction goes to 60% yield of X, find the number of moles of ‘X’ formed.

‘X’ may be.

Match with the tab test of amino acids.

Find the correct order of increasing boiling point in the following given molecules:

(A) n-\( C_4H_9OH \) \hspace{1cm} (B) n-\( C_4H_9NH_2 \)
(C) n-\( C_4H_{10} \) \hspace{1cm} (D) \( C_2H_5NH C_2H_5 \)

Find the correct order of increasing boiling point in the following given molecules: (A) n-\( C_4 H_9 OH \)
(B) n-\( C_4 H_9 NH_2 \)
(C) n-\( C_4 H_{10} \)
(D) \( C_2 H_5 NH C_2 H_5 \)

Compare the bond length x, y, and z in the following compound.

The compound

is treated sequentially with: (A) Excess HI/Red P
(B) \( \text{V}_2\text{O}_5 \), 773 K
(C) Benzyl chloride/AlCl\(_3\)
Find the number of π-bonds in the final product.

Choose the correct match.

Soluble in aqueous NaOH

Statement-1: Maltose is a non-reducing sugar.

Statement-2: Lactose is a reducing sugar.

Match the column-I with column-II:

Choose the correct match.

Match the column:

} Match correct reagents with given reactions:

Arrange the following groups according to their decreasing order of electron withdrawing nature – \( \text{COOH} \), \( \text{CN} \), \( I \), and \( \text{NO}_2 \).

Which of the following compound is not allylic chloride?

Which catalyst is used in Wacker process?

Which product is formed on carbylamine reaction with 4-methylaniline?