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0.2585g of an organic compound contaning...

0.2585g of an organic compound contaning iodine was heated with excess of strong nitric acid and silver nitrate in a carius tube. The precipitate of silver iodide was fiterred, washed and dried its weight was found to be 0.3894g . Calculate the % of iodine in the compound.

A

0.814

B

0.78

C

0.9

D

0.8624

Text Solution

Verified by Experts

The correct Answer is:
A
Amount of `l_2 =(0.3894 xx 127)/(235) =0.2104 g`
`therefore " % of " l_2 = (0.2104)/(0.2585) xx 100 = 81.4`
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