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Chemistry Class 12 Chapter 5
The Halogens and the Noble Gases
Test 8
1.
Rarely found halogen is?
Astatine
Fluorine
Iodine
Chlorine
2.
Which halogen can displace other three elements?
Chlorine
Iodine
Bromine
Fluorine
3.
The halogen which reacts with gold spontaneously to form Au
+
3
?
Br
2
F
2
I
2
Cl
2
4.
Which is not correct about fluorine?
Low dissociation energy
Restriction of fluorine to obey octet rule
HF is kept in glass container
High first ionization energy
5.
Bromine can be librated fro KBr by the action of?
NaCl
Chlorine
Iodine solution
KI
6.
Dependence of colour is from F2 to I2 is due to?
Valence electron
Atomic mass
Atomic number
Electronegativity
7.
Highest bond energy existing halogen is?
Bromine
Chlorine
Iodine
Fluorine
8.
For quantitative analysis which oxide if halogen is used?
I
2
O
5
I
4
O
2
All of these
I
2
O
4
9.
The most powerful reducing agent among the halogens is?
Br
2
Cl
2
I
2
F
2
10.
Bleaching powder is an example of?
Double salt
Complex molecule
Mixed salt
Normal salt
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