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A mixture pf H(2) , N(2) and O(2) occup...

A mixture pf `H_(2) , N_(2)` and `O_(2)` occupying 100 ml underwent reaction so as to form `H_(2)O_(2)(l)` and `N_(2)H_(2)(g)` as the only products , causing the volume to contract by 60 ml. The remaining mixture was passed through pyrogallol causing a contraction of 10 ml . to the remaining mixture excess `H_(2)` was added and the above reaction was repeaped , causing a reduction in volume of 10 ml .(No other products are formed)
What is the volume percent of `H_(2)` in the initial mixture?

A

30 ml

B

40 ml

C

60 ml

D

80 ml

Text Solution

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The correct Answer is:
B
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Knowledge Check

  • A mixture pf H_(2) , N_(2) and O_(2) occupying 100 ml underwent reaction so as to form H_(2)O_(2)(l) and N_(2)H_(2)(g) as the only products , causing the volume to contract by 60 ml. The remaining mixture was passed through pyrogallol causing a contraction of 10 ml . to the remaining mixture excess H_(2) was added and the above reaction was repeaped , causing a reduction in volume of 10 ml .(No other products are formed) What is the mole percent of N_(2) in th initial mixture?

    A
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    B
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    C
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    D
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  • A mixture pf H_(2) , N_(2) and O_(2) occupying 100 ml underwent reaction so as to form H_(2)O_(2)(l) and N_(2)H_(2)(g) as the only products , causing the volume to contract by 60 ml. The remaining mixture was passed through pyrogallol causing a contraction of 10 ml . to the remaining mixture excess H_(2) was added and the above reaction was repeaped , causing a reduction in volume of 10 ml .(No other products are formed) What is the volume of N_(20H_(2)(g) formed in this reaction after adding excess of H_(2)(g) ?

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  • 20 ml of a mixture of CO_(2) & C_(2)H_(4) was mixed with excess of O_(2) gas & was exploded. On bringing the solution back to the original room temperature a contraction of 12 ml was observed . What is the volume percentage of CO_(2) in the original mixture.

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