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Which of the following statements is correct?
  • a)
    At equilibrium, the concentration of each of the reactant and product becomes equal.
  • b)
    At equilibrium, the rf ≠ rb, hence equilibrium is static in nature.
  • c)
    A chemical equilibrium can be established only if none of the products is allowed to separate out as solid from solution.
  • d)
    Chemical equilibrium can be attained only in one direction.
Correct answer is option 'C'. Can you explain this answer?
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Most Upvoted Answer
Which of the following statements is correct?a)At equilibrium, the co...
At equilibrium, the concentration of reactants and products may or may not become equal, but it becomes constant, i.e., there occurs no further change in the concentration of reactants and products.
Also, the rate of the forward reaction is equal to the rate of backward reaction: rf = rb. This is the state of dynamic equilibrium.
Equilibrium can be attained from both sides, whether we start from reactants or the products.
While, if there is any formation of precipitate in the reaction, the reaction no longer remains in the state of equilibrium and the reaction becomes unidirectional.
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Which of the following statements is correct?a)At equilibrium, the co...
Explanation:

Chemical Equilibrium:
Chemical equilibrium is a dynamic state where the rate of the forward reaction (rf) is equal to the rate of the reverse reaction (rb). It is important to note that equilibrium does not mean that the concentrations of reactants and products are equal.

Establishing Equilibrium:
In order to establish a chemical equilibrium, it is essential that none of the products are allowed to separate out as a solid from the solution. This is because the presence of a solid product would remove it from the reaction mixture, disrupting the equilibrium.

Static Nature of Equilibrium:
At equilibrium, the rates of the forward and reverse reactions are equal. This does not mean that the reactions have stopped, but rather that they are occurring at the same rate. Therefore, equilibrium is a dynamic process where reactions continue to take place, but with no net change in concentrations.
Therefore, the correct statement is option 'C' - A chemical equilibrium can be established only if none of the products is allowed to separate out as solid from solution.
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Read the passage given below and answer the following questions:The rate of a reaction, which may also be called its velocity or speed, can be defined with relation to the concentration of any of the reacting substances, or to that of any product of the reaction. If the species chosen is a reactant which has a concentration c at time t the rate is - dc/dt, while the rate with reference to a product having a concentration x at time t is dx/dt. Any concentration units may be used for expressing the rate; thus, if moles per liter are employed for concentration and seconds for the time, the units for the rate are moles litre–1sec–1. For gas reactions pressure units are sometimes used in place of concentrations, so that legitimate units for the rate would be (mm. Hg) sec–1 and atm. sec–1 The order of a reaction concerns the dependence of the rate upon the concentrations of reacting substances; thus, if the rate is found experimentally to be proportional to the ath power of the concentration of one of the reactants A, to the both power of the concentration of a second reactant B, and so forth, via., rate = k CAα CAβ the over-all order of the reaction is simply n = α + β + ----- (2) Such a reaction is said to be of the αth order with respect to the substance A, the βth order with respect to B.In the following questions, a statement of Assertion followed by a statement of Reason is given. Choose the correct answer out of the following choices on the basis of the above passage.Assertion: Rate of reaction is a measure of change in concentration of reactant with respect to time.Reason: Rate of reaction is a measure of change in concentration of product with respect to time.

Read the passage given below and answer the following questions:The rate of a reaction, which may also be called its velocity or speed, can be defined with relation to the concentration of any of the reacting substances, or to that of any product of the reaction. If the species chosen is a reactant which has a concentration c at time t the rate is - dc/dt, while the rate with reference to a product having a concentration x at time t is dx/dt. Any concentration units may be used for expressing the rate; thus, if moles per liter are employed for concentration and seconds for the time, the units for the rate are moles litre–1sec–1. For gas reactions pressure units are sometimes used in place of concentrations, so that legitimate units for the rate would be (mm. Hg) sec–1 and atm. sec–1 The order of a reaction concerns the dependence of the rate upon the concentrations of reacting substances; thus, if the rate is found experimentally to be proportional to the ath power of the concentration of one of the reactants A, to the both power of the concentration of a second reactant B, and so forth, via., rate = k CAα CAβ the over-all order of the reaction is simply n = α + β + ----- (2) Such a reaction is said to be of the αth order with respect to the substance A, the βth order with respect to B.In the following questions, a statement of Assertion followed by a statement of Reason is given. Choose the correct answer out of the following choices on the basis of the above passage.Assertion: The unit of k is independent of order of reaction.Reason: The unit of k is moles L–1s–1.

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Which of the following statements is correct?a)At equilibrium, the concentration of each of the reactant and product becomes equal.b)At equilibrium, the rf ≠ rb, hence equilibrium is static in nature.c)A chemical equilibrium can be established only if none of the products is allowed to separate out as solid from solution.d)Chemical equilibrium can be attained only in one direction.Correct answer is option 'C'. Can you explain this answer?
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Which of the following statements is correct?a)At equilibrium, the concentration of each of the reactant and product becomes equal.b)At equilibrium, the rf ≠ rb, hence equilibrium is static in nature.c)A chemical equilibrium can be established only if none of the products is allowed to separate out as solid from solution.d)Chemical equilibrium can be attained only in one direction.Correct answer is option 'C'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Which of the following statements is correct?a)At equilibrium, the concentration of each of the reactant and product becomes equal.b)At equilibrium, the rf ≠ rb, hence equilibrium is static in nature.c)A chemical equilibrium can be established only if none of the products is allowed to separate out as solid from solution.d)Chemical equilibrium can be attained only in one direction.Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following statements is correct?a)At equilibrium, the concentration of each of the reactant and product becomes equal.b)At equilibrium, the rf ≠ rb, hence equilibrium is static in nature.c)A chemical equilibrium can be established only if none of the products is allowed to separate out as solid from solution.d)Chemical equilibrium can be attained only in one direction.Correct answer is option 'C'. Can you explain this answer?.
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