JEE Main 2022 · 27 Jul · Shift 1 · Chemistry Q79

ChemistrySingle correct+4 / -1Question 79 of 90

In Carius method of estimation of halogen, 0.45 g of an organic compound gave 0.36 g of AgBr. Find out the percentage of bromine in the compound.

(Molar masses : AgBr = 188 g mol $^{-1}$ ; Br = 80 g mol $^{-1}$ )

34.04%

40.04%

36.03%

38.04%

Answer and worked solution

Official answer: A

Bromine % $=\frac{80}{188}\times\frac{0.36}{0.45}\times100=34.04\%$ .

(A)

JEE Main 2022 · 27 Jul · Shift 1, Chemistry question 79