STOICHIOMETRY QUIZ

Avogadro number is the number of molecules in one __________ of a gas.

Kilogram

Gm.mole

Gram

Litre

TRUE ANSWER : ?
YOUR ANSWER : ?

Heat of reaction is not influenced by

Whether the reaction is carried out at constant temperature or constant pressure

The route/method through which final products are obtained

The physical state (e.g., solid, liquid or gaseous) of reactants and products

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Solutions which distil without change in composition are called

Azeotropic

Supersaturated

Ideal

Saturated

TRUE ANSWER : ?
YOUR ANSWER : ?

Unrestrained expansion of an ideal gas does not result in its cooling due to the reason that the gas molecules

Do not exert attractive force on each other

Do work equal to loss in kinetic energy

Do not lose energy on collision

Are above the inversion temperature

TRUE ANSWER : ?
YOUR ANSWER : ?

The forces causing the vaporisation of liquid are derived from the Kinetic energy of translation of its molecules. The heat of vaporisation

Becomes zero at the critical point

Decreases with increasing pressure

Both B & C

Increases with pressure rise

TRUE ANSWER : ?
YOUR ANSWER : ?

The osmotic pressure of a solution is directly proportional to the

Molecular concentration of the solute

Lowering of vapor pressure

All of these

Absolute temperature of a given concentration

TRUE ANSWER : ?
YOUR ANSWER : ?

If the pressure of a gas is reduced to half & its absolute temperature is doubled, then the volume of the gas will

None of these

Be reduced to l/4th

Increase two times

Increase four times

TRUE ANSWER : ?
YOUR ANSWER : ?

For an ideal gas, the compressibility factor

Is unity at Boyle's temperature

Is unity at all temperature

Zero

Decreases with pressure rise

TRUE ANSWER : ?
YOUR ANSWER : ?

The amount of Zn (atomic weight = 65) required to form 224 c.c. of H₂ at N.T.P. on treatment with dilute H₂SO₄ will be __________ gm.

0.065

65

0.65

6.5

TRUE ANSWER : ?
YOUR ANSWER : ?

Cp equals Cv at

0°C

0°K

0°F

0°R

TRUE ANSWER : ?
YOUR ANSWER : ?