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
B.
Chromium (IV) oxide
Substances which show permanent magnetism even in the absence of the magnetic field are called ferromagnetic substances.
e.g. Fe, Ni, Co, Gd and CrO2
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