Half life period of a chemical reaction is (A) The time required to reduce the concentration of the reacting substance to half its initial value (B) Half of the space time of a reaction (C) Half of the residence time of a reaction (D) None of these

Half life period of a chemical reaction is
(A) The time required to reduce the concentration of the reacting substance
to half its initial value
(B) Half of the space time of a reaction
(C) Half of the residence time of a reaction
(D) None of these
by

1 Answer

Answer :

(A) The time required to reduce the concentration of the reacting substance
to half its initial value
by

Related questions

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Last Answer : (C) The residence time for all the elements of fluid in case of a P.F.R. need not be same

For a zero order chemical reaction, the (A) Half life period is directly proportion to the initial concentration of the reactants (B) Plot of products concentration with time is a straight line through the origin (C) Products concentration increases linearly with time (D) All (A), (B) and (C)

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Last Answer : (D) All (A), (B) and (C)

For a __________ order chemical reaction as shown in the bellow figure, the half life period is independent of the initial concentration of the reactant A(A) Zero(B) First(C) Second(D) Third.

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Last Answer : (B) First

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If the time required to change the concentration of reactant to half its original value is independent of the initial concentration, the order of reaction is: (A) Zero (B) One (C) Two (D) Three

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A 60-year-old woman has glaucoma following cataract surgery. Which of the following can be used to reduce intraocular pressure? (a) Leukotriene LTD4 or its analogs (b) Prostaglandin E2 or its analogs (c) Prostaglandin F2a or its analogs (d) Slow-reacting substance of anaplylaxis (SRS-A) (e) Thromboxane A2 or its analogs

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Is half life time independent to initial concentration in first order reaction.

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Last Answer : Ans.: Yes 

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