Q. The $P - P - P$ angle in $P _{4}$ molecule and $S - S - S$ angle in $S _{8}$ molecule is (in degree) respectively:
BITSATBITSAT 2015
Solution:
InP $_{4}$ molecule, the four $Sp ^{3}$ hybridized phosphorous atoms lie at the corners of a regular tetrahedron with $\angle PPP =60^{\circ}$.
In $S _{8}$ molecule, $S - S - S$ angle is $107^{\circ}$.