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Byju's Answer

Standard XII

Chemistry

Order of Reaction

The kinetics ...

Question

The kinetics of the reaction $2 N_{2} O_{5} \to 4 N O_{2} + O_{2}$ in liquid bromine medium was measured independently for three initial concentrations of $N_{2} O_{5} : 0.11, 0.07$ $0.05 m o l L^{- 1}$ . The half-life of thee reaction was found to be 4.5 hours for all these concentrations. The order of the reaction is ?

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Solution

The correct option is A 0
$\begin{matrix} 2 N_{2} O_{5} \to 4 N O_{2} + O_{2} H e r e, w e s e e t h a t h a l f l i f e f o r d i f f e r e n t c o n c e n t r a t i o n o f t h e c o m p o u n d a r e s a m e . I t m e a n s t h e h a l f l i f e i s i n d e p e n d e n t o f t h e c o n e n t r a t i o n o f t h e r e a c t i o n . s o, I t i s c l e a r l y t h a t t h e g i v e n i s o f t h e z e r o o r d e r . H e n c e, t h e o p t i o n A i s t h e c o r r e c t a n s w e r . \end{matrix}$

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Similar questions

Q. The kinetics of the reaction,

2 N_{2} O_{5} \to 4 N O_{2} + O_{2}

, in liquid bromine medium was measured independently for three different initial concentrations of

N_{2} O_{5}

, which are

0.11, 0.07 and 0.05 m o l L^{- 1}

respectively. The half life of the reaction was found to be

4.5 h o u r s

for all these concentrations. The order of the reaction is:

Q. The kinetics of the reaction,

2 N_{2} O_{5} \to 4 N O_{2} + O_{2}

, in liquid bromine medium was measured independently for three different initial concentrations of

N_{2} O_{5}

, which are

0.11, 0.07

and

0.05 {mol L}^{- 1}

respectively. The half life of the reaction was found to be

4.5 hours

for all these concentrations. The order of the reaction is:

Q. For a reaction

$P \to Q$ , the half life of the reaction was 3 hour, when the initial concentration of P was $0.5 M$ . As the concentation of P was increased to $1 M$ , half life changes to 6 hours. The order of reaction with respect to P is:

Q. For the reaction

2 N_{2} O_{5} \to 4 N O_{2} + O_{2}

, if the initial concentration of

N_{2} O_{5}

7.2 m o l L^{- 1}

and after

20

minutes,

[N O_{2}]

becomes

2.4 m o l L^{- 1}

, then what will be rate of decomposition of

N_{2} O_{5}

m o l L^{- 1} m i n^{- 1}

Q. For the reaction,

2 N_{2} O_{5} \to 4 N O_{2} + O_{2}

, the instantaneous rate of reaction can be expressed in terms of time and concentrations by the expression:

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The kinetics of the reaction 2N2O5→4NO2+O2 in liquid bromine medium was measured independently for three initial concentrations of N2O5:0.11,0.07 0.05molL−1. The half-life of thee reaction was found to be 4.5 hours for all these concentrations. The order of the reaction is ?

The correct option is A 02N2O5→4NO2+O2Here,weseethathalflifefordifferentconcentrationofthecompoundaresame.Itmeansthehalflifeisindependentoftheconentrationofthereaction.so,Itisclearlythatthegivenisofthezeroorder.Hence,theoptionAisthecorrectanswer.