List of top Chemistry Questions asked in BITSAT

Which of the following pairs has both members from the same period of the periodic table

Chloride ion and potassium ion are isoelectronic. Then

The vapour density of ozone is

Which of the following statements is/are true? 1. PH₃ and BiCl₃ do not exist. 2. π-π bond is present in SO₂. 3. I₃^+ has bent geometry. 4. SeF₄ and CH₄ have same shape.

In redox reaction 1 g-eq of reducing agent requires P g-eq of oxidising agent. The value of P is

Hydrogen atom in ground state is excited by a monochromatic radiation of λ=975. Number of spectral lines in the resulting spectrum emitted will be

A material particle with a rest mass m₀ is moving with a velocity of light c. Then the wavelength of the de Broglie wave associated with it is

The photoelectric threshold of a metal is 2000. The energy of electrons ejected from the surface by ultraviolet light of wavelength 1500 is

Two mercury drops (each of radius r) merge to form a bigger drop. The surface energy of the bigger drop, if the surface tension is T, is

Two circular plates of radius 5 cm each have a 0.01 mm thick water film between them. What will be the force required to separate these plates? (Surface tension of water = 73 dyne/cm)

Which of the following pairs has both members from the same period of periodic table :

In the periodic table, with the increase in atomic number, the metallic character of an element

The vapour density of ozone is

Eutrophication causes reduction in

Which of the following statements is/are true? 1. $PH _{5}$ and $BiCl _{5}$ do not exist. 2. $pm - d \pi$ bond is present in $SO _{2}$. 3. $I _{3}{ }^{+}$has bent geometry. 4. $SeF _{4}$ and $CH _{4}$ have same shape.

In redox reaction $1\, g$-eq of reducing agent requires $Pgm$-e of oxidising agent. The value of $P$ is

Chloride ion and potassium ion are isoelectronic. Then :

Which of the following is similar to graphite

Experiment to study kinetics of the dissociation of hydrogen peroxide must be performed by group of two or three so that -

When the temperature is raised, the viscosity of liquid decreases this is because

Phosphate pollution is caused by:

Hyperconjugation involves