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Q. The number of electrons is the valence shell of the central atom of a molecules is $ 8 $ . The molecule is

EAMCETEAMCET 2014

Solution:

$\ln SCl _{2}$, number of lone pairs on $S =\frac{6-2(1)}{2}=2$

$\therefore $ Total number of pairs of electrons $=2$ bonding $+2$ lone pairs $=4$ pairs

$\therefore $ Total number of electrons in valency shell $=4 \times 2=8$