STOICHIOMETRY QUIZ

The osmotic pressure of a solution increases, if its __________ is decreased.

None of these

Solute concentration

Volume

Temperature

TRUE ANSWER : ?
YOUR ANSWER : ?

The OH⁻ concentration in a solution having pH value 3 is

10-13

10-11

10-3

10-10

TRUE ANSWER : ?
YOUR ANSWER : ?

For a reacation, X → Y, if the concentration of 'X' is tripled; the rate becomes nine times. The order of reaction is

3

1

2

TRUE ANSWER : ?
YOUR ANSWER : ?

Boiling point of a non-homogeneous mixture of immiscible liquids is __________ that of any one of its separate components.

Equal to

Higher than

Either A or B; depends on the liquids

Lower than

TRUE ANSWER : ?
YOUR ANSWER : ?

For a given mass of a gas at constant temperature, if the volume 'V' becomes three times, then the pressure 'P' will become

9P

3P

P/3

9P²

TRUE ANSWER : ?
YOUR ANSWER : ?

Sodium __________ has inverted solubility curve i.e. its solubility increases with the lowering of temperature.

Carbonate (monohydrate)

Bisulphite

Chloride

Thiosulphate

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is insensitive to changes in pressure?

Melting point

Heat of fusion

Both B & C

Heat of vaporisation

TRUE ANSWER : ?
YOUR ANSWER : ?

The latent heat of vaporisation

Becomes zero at the critical point

Decreases with increased temperature

Decreases as pressure increases

All of these

TRUE ANSWER : ?
YOUR ANSWER : ?

At higher temperatures, molal heat capacities for most of the gases (at constant pressure) __________ with increase in temperature.

Does not vary

Increases

Varies linearly

Decreases

TRUE ANSWER : ?
YOUR ANSWER : ?

With increase in the temperature of pure (distilled) water, its

PH and pOH both increases

POH decreases and pH increases

PH decreases and pOH increases

POH and pH both 4ecreases

TRUE ANSWER : ?
YOUR ANSWER : ?

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