Le Chatelier's Principle for Del N Greater Than Zero
Trending Questions
Q. Which one of the following conditions will favour maximum formation of the product in the reaction,
A2 (g)+B2 (g)⇌X2 (g) ΔrH=−X kJ
A2 (g)+B2 (g)⇌X2 (g) ΔrH=−X kJ
- High temperature and high pressure
- High temperature and low pressure
- Low temperature and high pressure
- Low temperature and hlow pressure
Q. Reaction in which, the yield of product(s) increases with an increase in pressure is:
- H2 (g)+I2 (g)⇌2HI (g)
- H2O (g)+C (s)⇌CO (g)+H2 (g)
- H2O (g)+CO (g)⇌CO2 (g)+H2 (g)
- CO (g)+3H2 (g)⇌CH4 (g)+H2O (g)
Q. When NaNO3 is heated in a closed vessel, oxygen is liberated and NaNO2 is left behind.
The reaction is :
2 NaNO3 (s)⇌2 NaNO2 (s)+O2 (g)
Which of the following is true at equilibrium?
The reaction is :
2 NaNO3 (s)⇌2 NaNO2 (s)+O2 (g)
Which of the following is true at equilibrium?
- Addition of NaNO3 favors backward reaction
- Addition of NaNO2 favors forward reaction
- Increasing pressure favors reverse reaction.
- All of the above.
Q. Which of the following reactions proceed at low pressure ?
- N2(g)+3H2(g)⇌2NH3(g)
- H2(g)+I2(g)⇌2HI(g)
- N2(g)+O2(g)⇌2NO(g)
- PCl5(g)⇌PCl3(g)+Cl2(g)
Q. For the reaction PCl5(g)⇌PCl3(g)+Cl2(g), the forward reaction at constant temperature is favoured by
- Introducing an inert gas at constant volume
- Introducing an inert gas at constant pressure
- All of the above
- Introducing chlorine gas at constant volume
Q. The exothermic formation of CIF3 is represented by the equation:
Cl2(g)+3F2(g)⇌2CIF3(g);△H=−329 kJ
Which of the following will increase the quantity of CIF3 in an equilibrium mixture of Cl2, F2 and CIF3?
Cl2(g)+3F2(g)⇌2CIF3(g);△H=−329 kJ
Which of the following will increase the quantity of CIF3 in an equilibrium mixture of Cl2, F2 and CIF3?
- By addition of F2
- Increasing the volume of the container
- By removal of Cl2
- Increasing the temperature
Q.
Comment on the thermodynamic stability of NO(g), given
N2(g) + O2(g) → NO(g) ; ΔrHθ = 90 kJ mol–1
NO(g) +O2(g) → NO2(g) : ΔrHθ= –74 kJ mol–1