0.40 g of an iodo-substituted organic compound gave 0.235 g of AgI by – InterviewSolution

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1.

0.40 g of an iodo-substituted organic compound gave 0.235 g of AgI by carius method. Calculate the percentage of iodine in the compound. (Ag = 108, I = 127).

Answer»

Weight of organic substance (w) = 0.40 g

Weight of silver iodide (x) = 0.235 g

Percentage of iodine = \(\frac{127}{235}\) x \(\frac{x}{w}\) x 100

= \(\frac{x}{w}\) x \(\frac{0.235}{0.40}\) x 100 = 31.75%

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