Test Index

JEE Advanced 2021 Paper 1

Question Stem for Question No. 24 and 25

For the following reaction scheme, percentage yields are given along the arrow:

xg and yg are mass of R and U, respectively.
(Use : Molar mass (in gmol−1 ) of H,C and O as 1,12 and 16 , respectively)

Question : 25

Total: 57

The value of y is

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