What is the geometry of molecule of bromine penta fluoride?
Square planar
Trigonal bipyramidal
Squre pyramidal
Octahedral
Select a ferromagnetic material from the following.
Dioxygen
Chromium (IV) oxide
Benzene
Dihydrogen monoxide
Which element among the following does form p - p multiple bonds?
Arsenic
Nitrogen
Phosphorus
Antimony
The colour and magnetic nature of manganate ion (MnO) is
green, paramagnetic
purple, diamagnetic
green, diamagnetic
purple, paramagnetic
The common features among CO, CN- and NO are
Bond order three and isoelectronic.
Bond order three and weak field ligands.
Bond order two and -acceptors.
Bond order three and -donors.
Which one of the following molecules has the least dipole moment?
H2O
BeF2
NH3
NF3
B.
BeF2
Among all the given options, BeF2 has the least dipole moment. It is mainly because it has herodipole moment due to linear geometry.