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  4. 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 × 10-1 g. (Nearest integer) (Molar Mass: Bromine =80 g / mol )

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Q. 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 ___$\times 10^{-1}\, g$. (Nearest integer)
(Molar Mass : Bromine $=80 \,g / mol )$

JEE MainJEE Main 2022Hydrocarbons

Solution:

image
$ =\frac{1}{160} \times \frac{1}{2} \times 360 \times 0.27 $
$ =0.30375 $
$ =3.0375 \times 10^{-1}$
$=3$