(i) Explain non linear shape `H_(2)S` and non-planar shape of `PC l_(3)` using VSEPR theory.
(ii) Can we have a diatomic molecule with its ground state molecular orbitals full with electrons. Give reason for your answer.

Interpret non-linear shape of H_(2)S and non-planar shape of PCl_(3) on the basis of VSEPR theory.

(a) H_(2)^(+)and H_(2)^(-) ions have same bond order but H_(2)^(-) ion is more stable. Explain. (b) N_(2) has a greater bond dissociation enthalpy than N_(2)^(+) ion hals more bond dissociation enthalpy than O_(2). Why ? (c ) Can we have ahomonuclear diatomic molecule with all its ground state molecular orbitals full of electrons ? (d) When a magnet is dipped in a jar of liquid oxygen, some oxygen clings to it. Assign reason :

Expalin (a) H_(2)^(o+) and H_(2)^(Θ) ions have same bond order but H_(2)^(o+) ions are more stable than H_(2)^(Θ) (b) It is possible to have a diatomic molecule with its ground sate MO s full with electrons (c ) Why 2p_(x0 or 2p_(y) orbitals do not combine with 2s orbitals to form MO (Taking Z-axis as the internuclear axis) .

Interpret the non-linear shape of H_(2)S molecule and non-planar shape of PCl_(3) using valence shell electron pair repulsion (VSEPR) theory. (Atomic number :H=1, P=15, S=16, Cl=17 )

which gas -phase atom in its ground state could have an electron with quantum number :n=3,l=2, M_(1)=0,m_(s)=-(1)/(2) ?

The space model which is obtained by joining the points representing various bonded atoms gives the shape of the molecule. The geometry of the molecule is definite relative arrangement of the bonded atoms in a molecule. The shape and geometry of a molecule is explained by valence shell electron pair repulsion theory given by Gillespie and Nyholm. Which molecule has both shape and geometry identical ? (I) SnCl_(2) " " (II) NH_(3) " " (III) PCl_(5) " " (IV) SF_(6)