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Bond Pairs and Lone Pairs

Calculate the...

Question

Calculate the value $x - y f o r X e O F_{4} .$ ( $x$ = number of $σ$ bond pair and $y$ = number of lone pair on central atom)

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Solution

As can be seen from the structure of $X e O F_{4}$ , number of sigma bonds= 5. Hence, $x = 5$ . Number of lone pair=1.
$∴$
$x - y = 5 - 1 = 4$

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