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Chemistry Class 12 Chapter 5
The Halogens and the Noble Gases
Test 6
1.
Which halogen has pale yellow colour?
Chlorine
Iodine
Bromine
Fluorine
2.
Which has naturally positive oxidation state?
Fluorine
Astatine
Chlorine
Iodine
3.
Half-life of Astatine is?
7.25 hrs
7.5 hrs
8.3 hrs
8.1 hrs
4.
The most electronegative element is?
Bromine
Fluorine
Iodine
Chlorine
5.
Fluorine does not posses property?
High dissociation energy
Small size
Follows octet rule
High 1st ionization energy
6.
Intensity of the colour of halogen depends upon?
Atomic no.
Atomic mass
Valance electrons
Mass no.
7.
Which halogen has greater electron affinity?
F
I
Cl
Br
8.
Which halogen is the weakest oxidizing agent?
Iodine
Chlorine
Bromine
Flourine
9.
The strongest halogen acid is?
HBr
HI
HF
HCl
10.
Strongest vander waal forces are in?
Fluorine
Iodine
Bromine
Chlorine
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