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2N(2)O(5)to4NO(2)+O(2). The rate of reac...

`2N_(2)O_(5)to4NO_(2)+O_(2)`. The rate of reaction in terms of `N_(2)O_(5)` will be

A

`-(d[N_(2)O_(5)])/(dt)`

B

`-(1)/(4)(d[N_(2)O_(5)])/(dt)`

C

`-(1)/(2)(d[N_(2)O_(5)])/(dt)`

D

`-(1)/(3)(d[N_(2)O_(5)])/(dt)`

Text Solution

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The correct Answer is:
C
`-(1)/(2)(d[N_(2)O_(5)])/(dt)`
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For the reaction : 2N_(2)O_(5) rarr 4NO_(2) +O_(2) , the rate of reaction in terms of O_(2) is d[O_(2)] /dt. In terms of N_(2)O_(5) , it will be :

For the reaction 2N_(2)O_(5)(g) to 4NO_(2) (g) + O_(2)(g) , the rate of formation of NO_(2)(g) is 2.8 xx 10^(-3) Ms^(-1) . Calculate the rate of disapperance of N_(2)O_(5)(g) .

The decomposition of N_(2)O_(5) takes place according to I order as: 2N_(2)O_(5) rarr 4NO_(2)+O_(2) Calculate: (a) The rate constant, if instantaneous rate is 1.4 xx 10^(-6) mol litre^(-1) sec^(-1) when concentration of N_(2)O_(5) is 0.04M . (b) The rate of reaction when concentration of N_(2)O_(5) is 1.20 M . (c ) The concentration of N_(2)O_(5) when the rate of reaction will be 2.45 xx 10^(-5) mol litre^(-1) sec^(-1)

Consider the decomposition of N_(2)O_(5) as N_(2)O_(5)rarr2NO_(2)+1//2O_(2) The rate of reaction is given by -(d[N_(2)O_(5)])/(dt)=(1)/(2)(d[NO_(2)])/(dt)=2(d[O_(2)])/(dt) =k_(1)[N_(2)O_(5)] Therefore (-d[N_(2)O_(5)])/(dt)=k_(1)[N_(2)O_(5)] (+d[NO_(2)])/(dt)=2k_(1)[N_(2)O_(5)]=k_(1)[N_(2)O_(5)] (+d[O_(2)])/(dt)=(1)/(2)k_(1)[N_(2)O_(5)]=k_(1)[N_(2)O_(5)] Choose the correct option

For a reaction , 2N_(2)O_(5)rarr4NO_(2)+O_(2), the rate is directly proportional to [N_(2)O_(5)]. At 45^(@)C, 90% of the N_(2)O_(5) react in 3600 s. The value of the rate constant is

NO_(2) required for a reaction is produced by the decomposition of N_(2)O_(5) is "CC"l_(4) as per the equatiion 2N_(2)O_(5)(g)to4NO_(2)(g)+O_(2)(g) . The initial concentration fo N_(2)O_(5) is 3.00 "mol"L^(-1) and it is 2.75 "mol"L^(-1) after 30 minutes. The rate of formation of NO_(2) is 4.67xx10^(-x) "mol" L^(-1)"min"^(-1) . the numerical value of x is __________.

MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-PRACTICE SET 06-PAPER 1 (PHYSICS & CHEMISTRY)
  1. For the change C (diamond) rarr C(graphite) , Delta H=-1.89 KJ, if 6 g...

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  2. In H(2)-O(2) fuel cell, the reaction occurring at cathode is

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  3. 2N(2)O(5)to4NO(2)+O(2). The rate of reaction in terms of N(2)O(5) will...

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  4. Semiconductors are manufactured by addition of impurities of

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  5. Select the correct statement.

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  6. Which of the following is incorrect match for hybridisation and geomet...

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  7. The first ionisation enthalpies of the lanthanoids are around (A), the...

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  8. The number of primary, secondary and tertiary carbons in 3,4-dimethylh...

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  9. Aliphatic aldehyde can be oxidised by

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  10. Equation of state is

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  11. The heat of combustion of solid benzoic acid at constant volume is -32...

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  12. For a cell given below Ag|Ag^(+)||Cu^(2+)|Cu Ag^(+)+e^(-)toAg,E^(@...

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  13. In the following redox reaction, xUO^(2+)+Cr(2)O(7)^(2-)+yH^(+)toaUO...

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  14. Iron is obtained on large scale from haematite Fe(2)O(3)

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  15. The element(s) of group-16 which exhibit(s) allotropy is/are

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  16. Pick out incorrect statements abou noble gases.

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  17. The atomic number of 5f series range from

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  18. The chloro compound which is used as a fire extinguisher is

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  19. Aldol condensation between following compounds, followed by dehydratio...

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  20. The compound with the highest boiling point is:

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