1.
The halogen which occurs naturally in
positive oxidation state is
a) Fluorine
b) Chlorine
c) Astatine
d) Iodine
2.
Which of the following is strongest
acid?
a) HClO
b) HClO2
c) HClO3
d) HClO4
3.
Bromine can be liberated from KBr
solution by the action of
a) Iodide solution
b) Chlorine
c) NaCl
d) Kl
1.d
2.d
3.b
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