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In a catalytic reaction involving the f...

In a catalytic reaction involving the formation of ammonia by haber process `N_(2)+3H_(2)rarr2NH_(3)` the rate of appearance of `NH_(3)` was measured as `2.5 xx10^(-4) mol L^(-1) S^(-1)` the rate of disappearance or `H_(2)` will be

A

`2.50 xx 10^(-4) mol L^(-1)s^(-1)`

B

`1.25 xx 10^(-4) mol L^(-1)s^(-1)`

C

`3.75 xx 10^(-4) mol L^(-1)s^(-1)`

D

`5.00 xx 10^(-4) mol L^(-1)s^(-1)`

Text Solution

Verified by Experts

`N_(2)(g) + 3H_(2)(g) rarr 2NH_(3)(g), " "` Rate `= (-d[N_(2)])/(d t) = (-d[H_(2)])/(3 d t) = (=d[NH_(3)])/(2 dt)`
`therefre (-d[H_(2)])/(d t) = (3)/(2)(d(NH_(3)))/(d t) = (3)/(2) xx 2.5 xx 10^(-4) mol L^(-1) s^(-1) = 3.75 xx 10^(-4) mol L^(-1)s^(-1)`
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