`P_(2)O_(5)` is strong dehydrating agent. Why is it not used to dry `NH_(3)` ? 

The drying agent used to dry NH _(3) is:

Why quicklime is not used for drying SO_2 ?

Sodium acts as a strong reducing agent. Why?

Drying agent used to dry HCl gas.

The normal dehydrating agent, which used in a laboratories:-

............ acid is a strong oxidizing agent and so it is not used in preparation of hydrogen.

Calcium oxide is a very good drying agent but it is not used to dry hydrogen chloride gas. Explain why?

Why are halogens strong oxidising agents ?

Strong oxidizing agent used in purification of water

An isomerr of the complex CoBrCl_(2)(en)_(2)(H_(2)O) , on reaction with concentrated H_(2)SO_(4) (dehydrating agent), suffers no loss in weight and on reaction with AgNO_(3) solution it gives only white precipitate, which is soluble in NH_(3) solution. Q. The incorrect statement about complex is: