If the symbol X represents a central atom, Y outer atoms, and Z lone pairs on the central atom, the structure $Y - : X : - Y$ $Y- :X: -Y$ could be abbreviated as $X Y_{2} Z_{2}$ $XY_2Z_2$ . How would you classify these structures by the hybridization of the central atom?

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If the symbol X represents a central atom, Y outer atoms, and Z lone pairs on the central atom, the structure $Y - : X : - Y$ $Y- :X: -Y$ could be abbreviated as $X Y_{2} Z_{2}$ $XY_2Z_2$ . How would you classify these structures by the hybridization of the central atom?

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Answer 1 · 2016-12-06T07:22:28

The hybridization about the central atom $X$ $X$ would be $s p^{3}$ $sp^3$ hybridization.

Explanation:

Two lone pair on the central and two species bonded to the central atom in the species would constitute tetrahedral electronic structure and bent molecular geometry , with bond angles less than $109.5$ $109.5$ degrees.

There are 4 electron clouds around the central atom, so the hybridization is $s p^{3}$ $sp^3$ .

A similar species $Y - X - Y$ $Y-X-Y$ with no lone pair about the species would have $s p$ $sp$ hybridization.

Let $s$ $s$ = the number of $σ$ $sigma$ bond about the species.
Count the $σ$ $sigma$ bonds about the species (including dative bonds) and subtract one to attain the $s p^{s}$ $sp^s$ hybridization.

In other words: $s p^{s - 1}$ $sp^(s-1)$ for $s$ $s$ $σ$ $sigma$ bonds. Factor in any lone pair about the central atom.

Keep in mind for a species with a greater number of electron (larger atoms), we will have to start to consider the $d$ $d$ orbitals, especially those species which can become hypervalent which occur after the $n = 2$ $n=2$ shell.

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If the symbol X represents a central atom, Y outer atoms, and Z lone pairs on the central atom, the structure $Y - : X : - Y$ $Y- :X: -Y$ could be abbreviated as $X Y_{2} Z_{2}$ $XY_2Z_2$ . How would you classify these structures by the hybridization of the central atom?

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Explanation:

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If the symbol X represents a central atom, Y outer atoms, and Z lone pairs on the central atom, the structure Y−:X:−YY- :X: -Y could be abbreviated as XY2Z2XY_2Z_2. How would you classify these structures by the hybridization of the central atom?

1 Answer

Explanation:

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If the symbol X represents a central atom, Y outer atoms, and Z lone pairs on the central atom, the structure $Y - : X : - Y$ $Y- :X: -Y$ could be abbreviated as $X Y_{2} Z_{2}$ $XY_2Z_2$ . How would you classify these structures by the hybridization of the central atom?