is
greenish yellow gas with an offensive smell used water purification. It
partially dissolves in water to give a solution which turns blue litmus red.
When A, is passed through Na Br, Br, is obtained.
(a) Identify
(b) Name the
group to which it belongs.
(c) Write
general electronic configuration of elements of this group.
(d) Write
chemical equations when X^ reacts with 
(e) What
happens when X» reacts with hot and cone. 
?
Give equation.
Answer:
(i) HF is stored in a wax coated
bottle because it reacts with glass.
(ii) On long
standing 
decomposes and forms 
. So, it is yellow in colour.
You need to login to perform this action.
You will be redirected in
3 sec
