Fluorine exhibits an oxidation state of only -1 because:
it can readily accept an electron
it is very strongly electronegative
it is a non-metal
it belong to halogen family
Which among the following factors is the most important in making fluorine the strongest oxidizing agent ?
Electron affinity
Ionization enthalpy
Hydration enthalpy
Bond dissociation energy
The oxidation states of iodine in HIO4 H3IO5 and H5IO6, are respectively :
+ 1, + 3, + 7
+ 7, + 7, + 3
+ 7, + 7, + 7
7, + 5, + 3
Amphoteric-oxide combinations are in:
ZnO, K2O, SO3
ZnO, P2O5, Cl2O7
SnO2, Al2O3, ZnO
PbO2, SnO2, SO3
The correct order according to size is :
O > O- > O2-
O- > O2- >O
O2- >O- > O
O > O2- >O-
C.
O2- >O- > O
The correctorder according to size is as : O2- >O- > O.