List of top Questions asked in KEAM- 2026

A particle is subjected to a force F = 3x$^2$. Calculate the work done in moving with particle from x=0 to x = 2 m.
A nucleus has a mass number of 56 and a binding energy per nucleon of 8.8 MeV, the total B.E is?
For pure semiconductor
If m and 2m are two masses separated by a distance of 1 m are attracted by gravitational force. Then the acceleration of their centre of mass is?
When an iron ball is moving through a fluid, its terminal velocity is proportional to
When a ball of mass 2.2 kg collides with a wall with a speed of 10 m/s and rebounds with a speed of 8 m/s. Find impulse.
If a magnet is cut into equal halves perpendicularly. What happens to magnetic moment?
In vertical circular motion, what is the minimum velocity at the lowest point?
Two cars A and B are starts moving from rest. Car A travels at a constant velocity of 20 m/s and car B moving with a constant acceleration of 4 m/s$^2$. After how much time B will overtake A?
An object is placed at a distance of 30 cm from a convex lens of focal length 100 cm when it moves 5 cm towards the lens how much is the image being shifted?
If the reaction is \( 3^{\text{rd}} \) order, if the concentration of reactant is doubled, then the rate is
The bond between $3'$ and $5'$ carbon of pentosed sugar of nucleotide is called
3 g of benzoic acid is added to 25 g of benzene. \( \Delta T_f = 2.5\,\text{K} \) and \( K_f \) of benzene is 5. What is the experimental molecular mass of benzoic acid?
A 250 watt bulb emits monochromatic light wavelength 198.78 nm. How many photons are emitted by the bulb per second?
Match the following
Methyl chloride - Antiseptic
Chloroform - Metal washing
Iodoform - Propellant
\( \text{CCl}_4 \) - Solvent for \( \text{I}_2 \)
In the reaction, \( \text{O}_{2(g)} + 4\text{H}^+_{(aq)} + 4\text{e}^- \rightarrow 2\text{H}_2\text{O}_{(l)} \), the quantity of electricity required to reduce one mole of gaseous oxygen is ( \( E^\circ = 1.23\,\text{V} \) )
For the equilibrium,
\( 2\text{A}_{(g)} \rightleftharpoons 2\text{B}_{(g)} + 2\text{C} \)
the value of \( K_p \) is 0.1662 atm at 1000 K. The value of \( K_c \) at the same temperature is ( \( R = 0.0831 \) )
The major products formed by heating \( \text{C}_6\text{H}_5\text{CH}_2 - \text{O} - \text{C}_6\text{H}_5 \) with HI are
\( \Delta G \) for \( 3\text{X}_{(g)} + 2\text{Y}_{(g)} \rightarrow 3\text{Z}_{(g)} \) at 293 K is
( \( \Delta H^\circ = -13\,\text{kJ mol}^{-1} \), \( \Delta S^\circ = -45\,\text{J mol}^{-1}\text{K}^{-1} \) )
The technique is used to purify liquid having very high b.p and decompose at or below this boiling point is
The rate constant of a reaction at 400 K and 500 K are \( 0.04\,\text{min}^{-1} \) and \( 0.08\,\text{min}^{-1} \) respectively. The \( E_a \) of the reaction is about ( \( 2.303R = 19.15\,\text{J mol}^{-1}\text{K}^{-1} \) )
Total number of electrons present around the central atom in order of \( \text{PCl}_5 \), \( \text{SF}_6 \), \( \text{SCl}_2 \)
\( \text{CO}_2 \) is taken in a closed container initially at a pressure of 0.6 atm at 1500 K. After the addition of solid C, some of \( \text{CO}_2 \) is converted to CO. The equilibrium pressure is then 0.9 atm. Calculate the value of \( K_p \) at 1500 K.
Find the order of magnitude of electrode potential ($E^\circ_{\text{M}^{2+}/\text{M}}$) of
Cr, V, Mn, Fe, Co
Which metal added in fuel cell to make it more efficient?