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two gases No and oxygen were introduced at the both ends of one meter tube.At what distance from No gas end ,brown gas will be seen?
Nitrogen di oxide (No) ; i didn't understand what No is but i think it is Nitrogen Oxide right ? , so assuming that it is NO , i m continuing with the solution.
in a one metre tube , Nitrogen Di Oxide and Oxygen is passed through each side.
2NO + O2 → 2NO2 (because NO2 Is the brown gas)
therefore by the reaction stoichiometry we see that
2 moles of NO are required for every 1 mole of O to for NO2
SO ratio of NO to total = 2 : 3
the brown gas will be found near the part of the metre tube where oxygen is being pumped from.
it will be seen at a distance of 2/3 * 100 = 66.667 cm from the point where Nitrogen di oxide is introduced.
so it is 33.333cm from the end where oxygen is introduced !
Please approve !
Don't post the same questions too many times
Your question has already been answered
rate of diffusion = k/(molar mass)1/2
r02 = k/root16
rNO = k/root14
rNO/rO2 = root(8/7)
xNO/XO2 = root8/7
xNO + xO2 = 1
XNo = 1/1+root8/7
= 0.483m
Let the distance be x metres from NO2.... as x is directly proportional to 1/√Molecular weight x/1-x =√M(O2)/√M(NO2)
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