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Q. The total number of boron-oxygen bonds in borax is $x$ and boron-oxygen-boron bonds are $y$ . Then the value of $x-y$ is:

NTA AbhyasNTA Abhyas 2022

Solution:

$B-O$ bonds $=14$
$B-O-B$ bonds $=5$
$\therefore x-y=14-5=9$
Solution