The compound molecular in nature in gas phase but ionic in solid state is
PCl5
PCl3
POCl3
A.
PCl5
PCl5 is molecular in the gas phase but exists as [PCl4]+ [PCl6]- in the crystalline solid.
Which two of the following salts are used for preparing iodized salt?
(i) KIO3, (ii) KI, (iii) I2, (iv) HI
(i) and (ii)
(i) and (iii)
(ii) and (iv)
(iii) and (iv).
I2 dissolves in KI solution due to the formation of :
KI2 and I-
K+ , I- and I2
KI3-
none of these
The number of P - O - P bridges in the structure of phosphorus pentoxide and phosphorus trioxide are respectively
6, 6
5, 5
5, 6
6, 5
Fluorine is the best oxidising agent because it has :
highest electron affinity
highest Eored
highest Eooxid
lowest electron effinity
Bleaching action of SO2 is due to its :
oxidising property
acidic property
basic property
reducing property