C-H bond length is least in
acetylene
methane
ethylene
ethane
A.
acetylene
Among all the given options, C - H bond length is least in acetylene (CH ≡ CH) because H bond length is least for C ≡ C bonds.
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