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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)

best_answer

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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