List of top Questions asked in Vellore Institute of Technology Engineering Entrance Examination- 2025

What is the pH of a \( 0.01 \, \text{M} \) solution of \( \text{HCl} \)?
Which of the following compounds has the highest boiling point?
What is the oxidation number of sulfur in \( \text{H}_2\text{SO}_4 \)?
What is the pH of a \( 0.01 \, \text{M} \) solution of \( \text{NaOH} \)?
A block of mass \(2\, \text{kg}\) is placed on a smooth horizontal surface. A force of \(10\, \text{N}\) is applied horizontally on the block. What is the acceleration of the block?
A ray of light strikes a plane mirror at an angle of incidence \(30^\circ\). What is the angle between the incident ray and the reflected ray?
Two point charges \(+2 \, \mu\text{C}\) and \(-2 \, \mu\text{C}\) are placed 0.1 m apart in air. What is the electrostatic force between them?
The energy of a photon is \(6.6 \times 10^{-19} \, \text{J}\). What is the frequency of the photon?
(Take Planck’s constant \(h = 6.6 \times 10^{-34} \, \text{Js}\))
A gas expands from volume \(V\) to \(2V\) at constant pressure \(P\). What is the work done by the gas?
How many moles are present in \(44\, \text{g}\) of \(CO_2\)?
(Molar mass of \(CO_2 = 44\, \text{g/mol}\))
Which of the following elements has the smallest atomic radius?
Which of the following is the major product of the reaction between 1-bromobutane and potassium hydroxide in ethanol?
For a first-order reaction, the rate constant is \(k = 0.01 \, \text{s}^{-1}\). What is the half-life of the reaction?
Which of the following is a characteristic of a coordination compound?
What is the standard electrode potential of a half-reaction in which electrons are transferred from \(Ag^+\) to \(Ag\)?