Which one of the following has the highest dipole moment ?
AsH3
SbH3
PH3
NH3
Which of the following molecule does not have a linear arrangement of atoms ?
H2S
C2H2
BeH2
CO2
The ion that is isoelectronic with CO is
Linear combination of two hybridised orbitals belonging to the two atoms, each having one electron lead to a
sigma bond
double bond
coordinate bond
pi-bond
In which of the following molecules are all the bonds not equal ?
ClF3
BF3
AlF3
NF3
The correct sequence of increasing covalent character is represented by
LiCl < NaCl < BeCl2
BeCl2 < NaCl < LiCl
NaCl < LiCl < BeCl2
BeCl2 < LiCl < NaCl
In ion number of bond pair and lone pair of electrons on nitrogen atom are
2, 2
3, 1
1, 3
4, 0
AsF5 molecule is trigonal bipyramidal. The hybird orbitals used by As atoms for bonding are
dx2-y2 ,dz2,px,py
dxy,s,px,py,pz
s,px,py,pz,dxy
dx2-y2,s,px,py,pz
Among the following, the pair in which the two species are not isostructural, is
SiF4 and SF4