Chemical Equilibrium - Q2

Unit of equilibrium constant for H₂ + I₂ 2HI is

• No units

• mol dm-3

• dm3mol-1

• None of the above

What would be the value of Δn for the reaction

NH₄Cl (s) ⇔ NH₃ (g) + HCl (g)

• 1

• 0.5

• 1.5

• 2

For an equilibrium Kc is always equal to Kp

True or False

• True

• False

While calculating Kp, pressure is expressed in

• atmosphere

• bar

• mm

• Pascal

Select the correct option

When a liquid evaporates in a closed container, vapour pressure remains constant.

• True

• False

For any pure substance at atmospheric pressure, the temperature at which the solid and liquid phases are at equilibrium is called

• freezing point

• normal freezing point

• melting point

• None of the above

At high altitude the boiling point

• Remains same

• Increases

• decreases.

According to Henrys law mass of a gas is

• independent of pressure

• directly proportional to pressure

• inversely proportional to pressure

• None of the above