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At equilibrium ,the concentrations of a...

At equilibrium ,the concentrations of all reactants and products become ………..

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**Step-by-Step Text Solution:** 1. **Understanding Equilibrium**: At equilibrium, a chemical reaction reaches a state where the concentrations of reactants and products remain constant over time. This means that the rate of the forward reaction equals the rate of the reverse reaction. 2. **Identifying Reactants and Products**: Consider a reversible reaction represented as: \[ A + B \rightleftharpoons C + D \] ...
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At chemical equilibrium , the concentration of all reactants and products are equal

Assertion: At equilibrium the concentration of all reactants and products are equal. Reason : At equilibrium , the rate of forward reactions is equal to the rate of backward reactions.

Read the following paragraph and answer the questions given below , Stable equilibrium is of various types . Mechanical equilibrium is achieved when all particles are at rest and total potential energy of the system is minimum . At any stage where particles are at rest but the system is not at stable equilibrium as it can reduce its potential energy by reverting to another position, is called metastable equilibrium . Thermal equilibrium is result from the absence of temperature gradients in the system. Chemical equilibrium is obtained when no further reaction occurs between reacting substances, i.e forward and reverse rates of reaction are equal. When steam with solid iron at high temperature Fe_3O_4(s) and hydrogen gas are produced . But the reaction never goes to completion. This is because as the products are formed the reaction proceeds in reverse direction and when rate of reverse reaction is equal to rate of forward reaction , the concentration of reactants and products become constant and equilibrium is reached. The primary objective of the passage is

Read the following paragraph and answer the questions given below , Stable equilibrium is of various types . Mechanical equilibrium is achieved when all particles are at rest and total potential energy of the system is minimum . At any stage where particles are at rest but the system is not at stable equilibrium as it can reduce its potential energy by reverting to another position, is called metastable equilibrium . Thermal equilibrium is result from the absence of temperature gradients in the system. Chemical equilibrium is obtained when no further reaction occurs between reacting substances, i.e forward and reverse rates of reaction are equal. When steam with solid iron at high temperature Fe_3O_4(s) and hydrogen gas are produced . But the reaction never goes to completion. This is because as the products are formed the reaction proceeds in reverse direction and when rate of reverse reaction is equal to rate of forward reaction , the concentration of reactants and products become constant and equilibrium is reached. When two reactants (A) and (B) are mixed to give products (C) and (D) the concentration quotient (Q) at initial stage of the reaction

Consider the reaction A to B . The concentration of both the reactants and the products varies exponentially with time. Which of the following figure correctly describes the change in concentration of reactants and products with time ?

Consider the reaction A to B . The concentration of both the reactants and the products varies exponentially with time. Which of the following figure correctly describes the change in concentration of reactants and products with time ?

The following are some statements about chemical equilibrium. (A) The rate of forward reaction is equal to the rate of backward reation. (B) The chemical equilibrium can be established from reactant side only. (C) The concentration of the reactants and products remain same with time. The correct statements are

ICSE-EQUILIBRIUM -FILL IN THE BLANKS TYPE QUESTIONS
  1. At equilibrium ,Delta G= ……………

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  2. …………….. Reactions never go to completion whereas ……………. Reactions proc...

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  3. At equilibrium ,the concentrations of all reactants and products beco...

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  4. According to the law of mass actions , the rate of a chemical reaction...

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  5. The value of equilibrium constant changes on changing the ……… coeffici...

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  6. On increasing pressure , equlibrium will shift in the direction in whi...

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  7. When the temperature of a system at equilibrium is increased the equil...

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  8. For the reactions, N2(g) + 3H2(g) hArr 2NH3(g), " ...

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  9. According the Bronsted and Lowry , an acid is a……………….. A base is …………...

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  10. The conjugate acid of PO4^(3-) is …………………

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  11. CN^(-) is a Lewis ………………..

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  12. At 298 K , the value of Kw is ………………

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  13. In a basic solution [H3O^(+) ] is …………… than [OH^(-) ] and pH is gr...

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  14. pH is the ……………. Logarithm of ……….. Concentration

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  15. The suppression of dissociation of a …………… electrolyte on addition of ...

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  16. pH of humen blood is

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  17. According to Henderson's equation, pOH = -log(10) ……..+ log(10) (["...

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  18. In the group II of qualitative analysis, It is necessary to pass H2S...

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  19. For a binary salt , K(sp) =(………)^(2)

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  20. The quinonoid form of methyl orange is ………. In colour

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