The shape of the $BF_3$ molecule is:

The correct order of $H-N-H$ bond angles of ammonia,ammonium ion,and amide ion is:

Discuss the shape of the following molecules using the $VSEPR$ model: $BeCl_{2}, BCl_{3}, SiCl_{4}, AsF_{5}, H_{2}S, PH_{3}$

Match the following molecules with their respective geometries and choose the correct code.

Molecule	Geometry
$(A)$ $XeF_2$	$1$. Trigonal pyramidal
$(B)$ $XeO_3$	$2$. Distorted octahedral
$(C)$ $XeF_6$	$3$. Linear
$(D)$ $XeOF_4$	$4$. Square pyramidal

The $O-N-O$ bond angle is maximum in

Which of the following compounds have the number of lone pairs on the central $Xe$ atom equal to zero?
$XeO_{3}, XeO_{2}F_{2}, XeO_{4}, XeO_{3}F_{2}, Ba_{2}XeF_{4}$