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← JEE Main 2022 · 27 Jun · Shift 2
ChemistryInteger+4 / -1Question 90 of 90

JEE Main 2022 · 27 Jun · Shift 2, Chemistry question 90

0.25 g of an organic compound containing chlorine gave 0.40 g of silver chloride in Carius estimation. The percentage of chlorine present in the compound is ______. [in nearest integer]

(Given: Molar mass of Ag is 108 g mol−1^{-1} and that of Cl is 35.5 g mol−1^{-1})

Answer and worked solution

Official answer: 40

Chlorine. 0.40×35.5143.5≈0.0990.40\times\dfrac{35.5}{143.5}\approx0.099 g, i.e. 0.0990.25≈40%\dfrac{0.099}{0.25}\approx40\%.

Answer: 40

Topics:Qualitative and quantitative analysis of organic compounds
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