1 - The colour of chlorine gas is
freenish yellow
2 - Vander Waals forces are stronger in
I2
3 - The most powerful oxidizing agent among the halogens is
F2
4 - Which of the following statements is incorrect about fluorine
both b and c
5 - The halogen which reacts spontaneously with gold (Au) to form Au+3 is
Cl2
6 - Which one of the following is the weakest acid in water
HF
7 - The halogen which reacts very slowly with halogen is
Iodine
8 - Which of the following represents the correct electronic configuration of VII A group elements in the ground state?
ns2p5
9 - The halogen having highest electron affinity is
Chlorine
10 - Which is the strongest acid?
HCIO4
11 - Bromine can be liberated from KBr solution by the action of
Chlorine
12 - Bleaching powder is an example of
Mixed salt
13 - Which of the following oxides of iodine is used for quantitative analysis of CO?
I2O5
14 - Which of the halogen has highest electronegativity?
Fluorine
15 - Which of the halogen can displace other three elements?
Flourine
16 - Which of the following statements is incorrect about halogens?
All the halogens react with noble gases to form their halides
17 - The chemical formula of sodium hypochlorite is
NaCLO
18 - Fluorine can react with
All of the above
19 - Bleaching powder is not used for bleaching
Costly fabrics
20 - Which of the following is not use of compounds of Fluorine
None of the above
21 - In which compound of Xenon the oxidation state of Xenon is + 6.
XeOF4
22 - Photographic plates are coated with a thin film of :
AgBr
23 - The anhydride of HCIO4 is:
Cl2O7
24 - Indicate the correct statement:
I2 is a volatile solid
25 - Which one of the following halogens is present in Teflon:
F2
26 - Which is the paramagnetic oxide of chlorine:
ClO2
27 - Coordination number of the transition element in [Pt Cl NO2 (NH3)4]2- is
6
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