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Nine volumes of a gaseous mixture consis...

Nine volumes of a gaseous mixture consisting of gaseous organic compound A and just sufficient amount of oxygen required for complete combustion yielded on burning four volumes of `CO_2` , six volumes of water vapour, and two volumes of `N_2` ,all volumes measured at the same temperature and pressure. If the compound contains C, H, and N only, the molecular formula of the compound A is:

A

`C_2H_3N_2`

B

`C_2H_6N_2`

C

`C_3H_6N_2`

D

`C_3H_6N`

Text Solution

Verified by Experts

The correct Answer is:
B
`2C_xH_yN_z +7O_2 rarr 4CO_2 +6H_2O +2N_2`
`{:(2x = 4, :. x =2, 2y=12,:. y = 6 , 2z=4,:. z=2),("Formula",C_2H_6N_2,,,,):}`
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