Which state of matter has the lowest density ?

A. Gas
B. Liquid
C. Solid
D. Plasma

The solid particles only posses_____________________?

A. Translational motion
B. Vibrational motion
C. Rotational motion
D. All of above motions

According to VESPR Model the geometry of molecule having 5 bond pair in outer most shell will be __________________?

A. Triangular
B. Square planner
C. Trigonal bipyramidal
D. Octahedral

Unpaired electron in a molecule gives ______________ character ?

A. Ferromagnetic
B. Paramagnetic
C. Diamagnetism
D. Both a & b

Product of charge and distance is called__________________?

A. Pressure
B. Bond length
C. Work
D. Dipole moment

on sp3 hybridization ________________?

A. All p-orbitals are involved
B. One s and 3 p-orbitals are involved
C. One p-orbital is involved
D. Four p-orbitals are involved

What is the relative rate of effusion of CO and CO2 ?

A. Co is 1.25 times faster than co2
B. Co is 3.75 times faster than co2
C. Co is 1.25 times faster than co
D. Both diffuse at the same rate

Which of the following is not considered as an intermolecular force between molecules ?

A. Coordinate covalent bonds
B. Hydrogen bonds
C. Debye forces
D. London dispersion forces

Ideal gasses have all the following characteristics except ?

A. Absence of intermolecular forces
B. Collisions among the molecules of an ideal gas are perfectly elastic
C. The molecules occupy no space
D. All of the above are correct

Under what conditions the gases deviate from the ideal behavior ?

A. High temperature
B. Low temperature
C. High pressure
D. B and c