An organic compound is estimated through Dumus method and was found to evolve 6 mole of  CO_{2}  , 4 moles of   H_{2}O and 1 mole of nitrogen gas . The formula of the compound is:

  • Option 1)

     C_{12}H_{8}N

  • Option 2)

    C_{12}H_{8}N_{2}

  • Option 3)

    C_{6}H_{8} N_{2}

  • Option 4)

    C_{6}H_{8}N

Answers (1)
A admin

 

Dumas method- Quantitative analyse of nitrogen -


Volume \;of\; Nitrogen\; at\; STP\;=\frac{P_{1}V_{1}*273}{760*T_{1}}
 


percentage\:of\:Nitrogen=\frac{28\times vol\:of\:N_{2}\:at\:STP\times 100}{22400\times m}

- wherein

As we know:

C_{x}H_{y}N_{z}\overset{Duma method}{\rightarrow}6CO_{2}+4H_{2}O+N_{2}

so;  6C\rightarrow 6CO_{2}

8H\rightarrow 4H_{2}O

2N\rightarrow N_{2}

So C_{6}H_{8}N_{2}

 

 


Option 1)

 C_{12}H_{8}N

Option 2)

C_{12}H_{8}N_{2}

Option 3)

C_{6}H_{8} N_{2}

Option 4)

C_{6}H_{8}N

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