List of top Questions asked in KEAM

Name of the following reaction:
Benzaldehyde + Acetophenone → Benzalacetophenone
In the reaction \( 3Mg + N_2 \rightarrow Mg_3N_2 \), the oxidation number of Mg changes is:
Amount of charge needed to dissociate MgClâ‚‚?
An equiconvex lens of power P is cut perpendicular to its principal axis, into 2 equal parts, power of each part?
Find the magnetic field inside a solenoid having number of turns 7000, length 1m, and current 1 A.
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:
The correct order of boiling point:
CH\(_3\)-CH\(_2\)-CH\(_2\)-CH\(_2\)-NH\(_2\), CH\(_3\)-CH\(_2\)-NH-CH\(_2\)-CH\(_3\), CH\(_3\)-CH\(_2\)-N(CH\(_3\))\(_2\)
N\(_2\) exerts partial pressure of 7.698 bar in 1L water at 298K. What is the mole fraction of N\(_2\) in the solution? Given that N\(_2\) = 76.48K bar.

Identify the product of the reaction:

Aspirin is also called:
Which among the following acts as a Lewis acid?
A subatomic particle of mass \(2.2 \times 10^{-28}\) kg. Velocity = \(3 \times 10^5 \, \text{ms}^{-1}\). De Broglie wavelength?
Find pH of the solution if \([H^+] = 2 \times 10^{-4} \, \text{mol/L}\)
When blue light is incident on metal surface, photoelectrons are emitted. When green light is incident, no photoelectrons are emitted. What is the number of photoelectrons emitted when yellow light is incident?
Young's modulus and shear modulus are applicable for:
Acetone can be converted to 2-methylpropan-2-ol using:
Aryl halides react with Na in dry ether gives diphenyls. Name of the reaction is:
Vibration of atoms and molecules produce electromagnetic radiation in the region of:
Three forces are acting on a particle in which \( F_1 \) and \( F_2 \) are perpendicular. If \( F_1 \) is removed, find the acceleration of the particle.
Which of the following amino acids are synthesized in our body?
Which of the following statement is incorrect?
Relation between \(C_p\), \(C_v\) and \(R\)
Energy dissipated per unit time by a wire of resistance \(2R\) connected to a 2V battery.
Phenol can be converted into benzene by treating with:
The reagent for Etard's reaction is: