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Chemistry - Eudiometry Question with Solution | TestHub

ChemistryEudiometryEudiometric CalculationsMedium2 minQB

ChemistryMediummultiple choice

100 ml mixture of CO and $CO_{2}$ mixed with 30 ml of $O_{2}$ and sparked in eudiometer tube. The residual gas after treatment with aq. KOH has a volume of 10 ml which remains unchanged when treated with alkaline pyrogallol. If all the volumes are under the same conditions, point out correct options(s):

Options:(select one or more)

Answer:

A, B, D

Solution:

$CO + CO_{2} = 100 ml$ $x + y = 100 ml$ $CO + \frac{1}{2} O_{2} \to CO_{2}$ Initial $x$ 30 m Final x-60 0 60

Residual gas should be $CO = 10 ml$

$\Rightarrow x - 60 = 10 x = 70 ml CO y = 30 ml CO_{2}$

absorbed $CO_{2} = y + 60 = 90 ml$

Stream:JEESubject:ChemistryTopic:EudiometrySubtopic:Eudiometric Calculations

⏱ 2mℹ️ Source: QB

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