Which of the following is true about equilibrium processes?

Rate of forward as well as that of backward reaction is independent of concentrations at given temperature.

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Rate of only backward reaction increases as the concentration of the reactant increases at a given temperature

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Rate of forward reaction increases as the concentration of the reactant increases at a given temperature

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Rate of both forward and backward reaction increase as the concentration of reactant is increased at a given temperature

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Solution

The correct option is C
Rate of forward reaction increases as the concentration of the reactant increases at a given temperature

This is in accordance with Le-Chatelier's principle that if the concentration of the reactants is increased then reaction move in the forward direction so as to undo the effect.

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Similar questions

Which of the following statements is correct ?
(a) The rate of reaction decreases with passage of time as the concentration of reactants decreases
(b) The rate of reaction is same at any time during the reaction
(c) The rate of a reaction is independent of temperature change
(d) The rate of a reaction decreases with increase in concentration of reactant (s)

Q. Assertion: The overall rate of a reversible reaction may decrease with the increase in temperature.
Reason: When the activation energy of a forward reaction is less than that of its backward reaction, then the increase in the rate of the backward reaction is more than that of the forward reaction on increasing the temperature.

Q. The rate of forward reaction is two times that of the reverse reaction at a given temperature and identical concentration, K at equilibrium is:

Q. For the given reaction,

2 A (s) + B (g) ⇌ C (g) + 2 D (s) + E (s)

the degree of dissociation of B was found to be 20% at 300 K and 24% at 500 K. The rate of backward reaction

A catalyst increases the rate of forward reaction and decreases the rate of backward reaction.

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