Oxidation state exhibited by sulphur is
All of the above
Sulphur shows +6, 0, and +4 oxidation states in H2SO4, S8 and SF4respectively.
White silver surface turns black when O3 is passed over it.
This is due to the formation of
Reaction that involves atmospheric oxygen are never promoted by
The yellow colour often shown by nitric acid may be removed by
What is the name of the compound containing N, H and O, which on heating give laughing gas?
Which one of the following is best oxidizing agent?
Which one of the following is pseudohalide?
Mn++ can be converted into Mn+7 by reacting with
How many bonding electron pairs are there in white phosphorus?
Solid iodine is
Conc. HNO3 reacts with I2 to form