JEE Main 2022 Chemistry question
In bromination of Propyne, with Bromine 1, 1, 2, 2-tetrabromopropane is obtained in 27% yield. The amount of 1, 1, 2, 2 tetrabromopropane obtained from 1 g of Bromine in this reaction is g. (Nearest integer) (Molar Mass : Bromine = 80 g/mol)
Answer: 3
Solution
CH_{3}-C≡CH + 2Br_{2} \to CH_{3}-CBr_{2}-CHBr_{2}. The moles of are 1/160 mol, which gives (1/160) (1/2) mol of the product (molar mass 360
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