List of top Questions asked in KEAM- 2025

In which of the following liquid inter molecular hydrogen bonding does not exist?

The IUPAC name of allylamine is

The carbohydrate found in yeast is

Phenol is treated with $H_{2}SO_{4}$ to give a product 'X' which on treatment with conc. $HNO_{3}$ gives compound 'Y'. The compounds 'X' and 'Y' are respectively:

Denatured alcohol with colour and foul smell is made now a days by mixing ethanol with

Benzoyl chloride is converted to benzaldehyde by

$S_{N}1$ reaction is most favoured by:

Which of the following is a vicinal dihalide?

One mole of an alkene reacts with acidic $KMnO_{4}$ to give two moles of ethanoic acid. What is the alkene?

On complete combustion $0.12\ \text{g}$ of an organic compound gives $0.11\ \text{g}$ of $CO_{2}$. What is the percentage of carbon in the organic compound?

The number of bridging carbonyl groups in $[Mn_2(CO)_{10}]$ is

In acidic medium, dichromate behaves as an oxidizing agent represented as: $Cr_2O_7^{2-} + xH^+ + ye^- \rightarrow 2Cr^{3+} + zH_2O$. The values of $x$, $y$ and $z$ are respectively:

Which of the following complex is optically active?

Which of the following is not an interstitial compound?

Which of the following transition metal has the highest magnetic moment?

Which of the following 3d transition metal has +5 state as the more stable state?

The EMF of the cell at $298\ \text{K}$ is $Mg_{(s)}|Mg^{2+}(aq,\ 0.10\ \text{M})||Ag^{+}(aq,\ 0.001\ \text{M})|Ag_{(s)}$. (Given: $E^{0}_{cell}=3.17\ \text{V}$ and $\frac{2.303RT}{F}=0.06\ \text{V}$)

A first order reaction has a rate constant of $6.93\times10^{-4}\ \text{s}^{-1}$ at $300\ \text{K}$. What is the half-life period of the reaction in seconds at the same temperature?

The electrolyte used in lead storage battery is

The binary liquid mixture that has positive deviation from Raoult's law is

Which of the following is true in respect of a zero order reaction?

The following concentrations were obtained in the formation of $NH_{3(g)}$ from $N_{2(g)}$ and $H_{2(g)}$ at equilibrium at $500\ \text{K}$: $[NH_{3}]=1.5\times10^{-2}\ \text{M}$, $[N_{2}]=5\times10^{-3}\ \text{M}$ and $[H_{2}]=0.10\ \text{M}$. Calculate the equilibrium constant $K_{c}$ for the reaction $N_{2(g)}+3H_{2(g)} \rightleftharpoons 2NH_{3(g)}$.

Which of the following is a Lewis acid?

Which of the following species will have the largest and the smallest sizes respectively? Na, Mg, $Na^{+}$, $Mg^{2+}$

Which of the following statement is INCORRECT?