1.

0.46 g ofan organic compound containing C,H oxygen was heatedstronglyin steam of N_(2) gas . The gaseous mixture thus obtained was passed over heated coke at 1373 K and then passed through warm solution of iodine pentoxide when 2.54 g of iodine. The percentage of O_(2) in the compound is

Answer»

`69.59`
`34.78`
`47.38`
`38.47`

SOLUTION :`%` of oxygen `= 31/254 xx (" WT. of" I_(2)"formed")/(" wt. of ORGANIC compound") xx 100`
`= 32/254 xx (2.54)/(0.46) xx 100 = (32)/(0.46) = 69.56%`
(b) , (c ) and (d) are not POSSIBLE.


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