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In the reaction, 2NO(g)+O(2)(g)rarr2NO(2...

In the reaction, `2NO(g)+O_(2)(g)rarr2NO_(2)(g)`, the rate to change of concentration of NO is

A

twicer that of `NO_(2)`

B

equal to that of `NO_(2)`

C

four times as fast as that of `NO_(2)`

D

equal and opposite to that of `NO_(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
Because `NO` is a reactant while `NO_(2)` is a product and both have identical equation
`-(d[NO])/(2dt)=(d[NO_(2)])/(2dt)`
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Knowledge Check

  • In the following reaction, 2SO_2(g)+O_2(g)rarr2SO_3(g) the rate of formation of SO3 is 100g/min. rate of disappearance of O2

    A
    `50 " gmin"^(-1)`
    B
    `20 " gmin"^(-1)`
    C
    `100 " gmin"^(-1)`
    D
    `200 " gmin"^(-1)`

  • For the reaction 2SO_(2(g))+O_(2(g)) rarr 2SO_(3(g)) the entropy

    A
    increases
    B
    decreases
    C
    does not change
    D
    change can't be predicted

  • In the reaction N_(2(g))+O_(2(g))rArr2NO_((g)) at equilibrium the concentrations of N_(2),O_(2)andNO are 0.25 , 0.05 and 1 M respectively . Calculate intial concentrations of N_(2)andO_(2) .

    A
    0.25 M , 0.35 M
    B
    0.05 M , 0.35 M
    C
    0.75 M , 0.55 M
    D
    0.75 M , 0.45 M
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