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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 mole percent of `N_(2)` in th initial mixture?

A

30 ml

B

40 ml

C

60 ml

D

80 ml

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The correct Answer is:
A
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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 percent of H_(2) in the initial mixture?

    A
    30 ml
    B
    40 ml
    C
    60 ml
    D
    80 ml

  • 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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  • Comprehension # 9 A 10ml mixture of N_(2) , a alkane & O_(2) undergo combustion in Eudiometry tube. There was contraction of 2ml , when residual gases are passed are passed through KOH . To the remaining mixture comprising of only one gas excess H_(2) was added & after combustion the gas product is absorbed by water. causing a reduction in volume of 8ml . Gas produced after introduction of H_(2) in the mixture? Volume of N_(2) present in the mixture?

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    `2ml`
    B
    `4ml`
    C
    `6ml`
    D
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