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Define limiting reagent ....

Define limiting reagent .

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A large excess of one reactant is supplied to ensure the more expensive reactant is completely converted to the desired product. The reactant used up first in a reaction is called the limiting reagent.
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Explain the term limiting reagent.

3 grams of hydrogen reacts with 29g of O_(2) to yield H_(2)O . Which is the limiting reagent ?

Knowledge Check

  • Statement I : In a combustion reaction in the air, oxygen is the limiting reagent. Statement 2 : Oxygen is present in limited amount ( only 21%) in air.

    A
    Statement ( 1) is true, Statement ( 2) is true, Statement ( 2) is the correct explanation for Statement ( 1) .
    B
    Statement ( 1) is true, Statement ( 2) is true, Statement ( 2) is not the correct explanation for Statement ( 1) .
    C
    Statement (1) is true, Statement ( 2) is false.
    D
    Statement (1) is false , Statement ( 2) is true.

  • Equal volume of nitrogen and Hydrogen gases will react to form ammonia in favourable condition then the limitting reagent is

    A
    `H_(2)`
    B
    `N_2`
    C
    `NH_2`
    D
    No reactant is limiting regent.

  • Assertion : When 4 moles of H_2 reacts with 2 moles of O_2 . Then 4 moles of water is formed. Reason : O_2 will act as limiting reagent.

    A
    Both assertion and reason are true and reason is the correct explanation of assertion.
    B
    both assertion and reason are true but reason is not the correct explanation of assertion
    C
    Only assertion is true but reason is false.
    D
    Both assertion and reason are false.

    • Similar Questions

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    On the formation of SF_(6) by the direct combination of S and F_(2) which is the limiting reagent? Prove it.

    The reactant which is entirely consumend in reaction is known as limiting reagent. In the reaction 2 A + 4 B to 3C + 4D , when 5 moles of A react with 6 moles of B , then (i) Which is the limiting reagent (ii) Calculate the amount of C formed.

    On the formation of SF_6 by the direct combination of Sand F_2 , which is the limiting reagent?

    Give an example of limited regeneration .

    Limiting reagent is in a chemical reaction is the reactant in which

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