A vessel at equilibrium contains SO3, SO2 and O2, now some helium gas is added so that total pressure increases while temperature and volume remain constant. According to Le Chatelier Principle the dissociation of SO32-
1.decreases
2.remain constant
3.increases
4.change unpredictably
Posted Date:-2021-03-07 08:19:07
For a reversible reaction the concentration of the reactants are doubled, then the equilibrium constant
1.becomes one-fourth
2.is doubled
3.is halved
4.remains the same
Posted Date:-2021-03-07 08:19:07
In which of the following cases does the reaction go farthest to completion?
1.K = 1
2.K = 10
3.K = 10-2
4.K = 102
Posted Date:-2021-03-07 08:19:07
Le Chatelier Principle is applicable to
1.heterogeneous reaction
2.homogeneous reaction
3.irreversible reaction
4.system in equilibrium
Posted Date:-2021-03-07 08:19:07
The role of a catalyst in a reversible reaction is to
1.alter the equilibrium constant of the reaction
2.increase the rate of the forward reaction
3.allow the equilibrium to be achieved quickly
4.decrease the rate of backward reaction
Posted Date:-2021-03-07 08:19:07
The equilibrium between water and its vapour in an open vessel
1.can be achieved
2.depends upon pressure
3.cannot be achieved
4.depends upon temperature
Posted Date:-2021-03-07 08:19:07
The chemical equilibrium of a reversible reaction is not influenced by
1.temperature
2.pressure
3.catalyst
4.concentration
Posted Date:-2021-03-07 08:19:07
The equilibrium constant of a reaction is 300. If the volume of reaction flask is tripled the equilibrium constant is
1.300
2.600
3.900
4.100
Posted Date:-2021-03-07 08:19:07
When a catalyst is added to a reversible reaction in equilibrium state the value of the equilibrium constant
1.increases
2.decreases
3.does not change
4.becomes zero
Posted Date:-2021-03-07 08:19:07