List of top Questions asked in KEAM- 2025

The reagent for Etard's reaction is:

Which has intramolecular hydrogen bonding?
Ortho nitrophenol, Para nitrophenol

The pKa value of a 0.1 M solution of a weak acid HA with pH = 4 is:

Chloro benzene and acetyl chloride react with anhydrous AlCl\(_3\), to form 4-chloroacetophenone. The reaction is an example of:

\(\Delta H\) and \(\Delta S\) value of a reaction which is non-spontaneous at high T and spontaneous at low T is:

A shell in projectile motion explodes while in motion, what is the trajectory of the center of the fragments?

Which of the following have a complete octet?

Which of the following is diamagnetic?

The dimension of \( \lambda \times t \) (decay constant \(\lambda\) multiplied by time \(t\)) is:

The force between two point charges separated by a distance \(d\) is \(F\). If one charge is moved away by a distance \(d\), then the new force is:

The amount of NaOH required to neutralize 9.8g H\(_2\)SO\(_4\) is:

If \(T\) and \(n\) are surface tension and coefficient of viscosity, if temperature increases, then:

A coil of length \(l\) and area of cross-section \(A\) has resistance \(R\). If the length is increased to 3 times and area decreases to \(A/3\), then the new resistance is:

Metal in Wilkinson's catalyst?

Given the following concentrations and rates, which one corresponds to the rate law for the reaction? \[ [A] = 0.10 \quad [D] = 0.2 \quad \text{Rate} = 0.2 \] \[ [A] = 0.2 \quad [D] = 0.2 \quad \text{Rate} = 0.4 \] \[ [A] = 0.10 \quad [D] = 0.1 \quad \text{Rate} = 0.05 \]

Find the \( \Delta G \) during the reaction: \[ \text{H}_2\text{O}(l) \rightleftharpoons \text{H}_2\text{O}(g) \quad \Delta S = +1 \, \text{kJ/mol} \, \text{at} \, 100^\circ C \]

The position of body varies as \[ S = 9t^2 - 6t. \text{ What is the time at which the body becomes at rest?} \]