List of top Questions asked in KEAM- 2025

Pick out the INCORRECT statement from the following

A body initially at rest undergoes linear motion with constant acceleration under the action of a constant force. Then the power delivered to the body at time \(t\) is proportional to

The dimensional formula for the product of the decay constant \(\lambda\) and the mean life of a radioactive substance is

A person standing on the platform of a lift will experience weight loss, when the lift moves

Three forces \(F_1, F_2\) and \(F_3\) acting on a body of mass \(m\) keep the body stationary. If the forces \(F_1\) and \(F_2\) are mutually perpendicular, the acceleration of the body when the force \(F_3\) is removed is

An object when dropped from a height \(h\) from the ground, reaches the ground in \(t\) s. The time after which the object was passing through a point at a height \(h/2\) from the ground is

The angle between two unit vectors \(\vec{A}\) and \(\vec{B}\) is \(60^\circ\). The value of \(|\vec{A} - \vec{B}|\) is

Aryl fluorides are prepared from diazonium salts using

Which of the following amine does not react with Hinsberg’s reagent?

Match the following;
a) Aldohexose
b) Ketohexose
c) Non-reducing disaccharide
d) Reducing disaccharide
e) Polysaccharide
i) Maltose
ii) Glycogen
iii) Glucose
iv) Sucrose
v) Fructose

Which of the following amino acid can be synthesized in the body?

Acetanilide is prepared by treating acetic anhydride/pyridine with

Intramolecular hydrogen bonding is present in

Phenol is converted into benzene by heating with

Which of the following is the weakest acid?

Aspirin is

Benzaldehyde reacts with acetophenone in the presence of \(NaOH\) at 293 K to give benzalacetophenone. This reaction is an example of

Which of the following carboxylic acid is used in rubber, textile, dyeing, leather and electroplating industries?

One mole of an alkene on ozonolysis gives one mole of propan-2-one and one mole of formaldehyde. What is the alkene?

The correct decreasing order of acidity of alkynes is

When toluene is treated with \(Cl_2\) in the presence of \(Fe\) in dark, the product formed is

When aryl halide is treated with \(Na\) in dry ether, biphenyl is formed. This reaction is called

Which of the following compound is used for the manufacture of phenol in large scale?

The type of hybridization of the carbon atoms from left to right in \(CH_3 - CH = CH - CN\) is

Which of the following is a spin free complex?