Chemistry Mcqs

Submitted By: Ali Uppal


The introduction of Kelvin scale in thermodynamic is according to_______________?

(A) Boyles law

(B) Charles law

(C) Daltons law

(D) Grahams law

Submitted By: Ali Uppal


Submitted By: Ali Uppal


Under what conditions the gases deviate from the ideal behavior ?

(A) High temperature

(B) Low temperature

(C) High pressure

(D) B and C

Submitted By: Ali Uppal


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

Submitted By: Ali Uppal


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

Submitted By: Ali Uppal


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

Submitted By: Ali Uppal


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

Submitted By: Ali Uppal


The non-ideal behaviour results chiefly from________________?

(A) Intermolecular attraction and infinite volume

(B) Elastic collisions and finite volume

(C) Intermolecular attractions and finite volume

(D) Intermolecular attraction only

Submitted By: Ali Uppal


The processes of effusion and diffusion are best understand by________________?

(A) Daltons law

(B) Avogadros law

(C) Grahams law

(D) Charles law

Submitted By: Ali Uppal