The correct order of bond dissociation energy of halogens F2, Cl2, Br2 and I2 is-

1. F2 < Cl2 < Br2 < I2

2. I2 > Br2 > F2 > Cl2

3. Cl2 > Br2 < F2 > I2

4. I2 < F2 < Br2 < Cl2

Subtopic:  Group 17 - Preparation, Properties & Uses |
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The group which contains the strongest oxidizing agent is-

1. Group 15

2. Group 16

3. Group 17

4. Group 18

Subtopic:  Group 17 - Preparation, Properties & Uses |
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 Halogen that forms only one oxoacid is

1. Chlorine

2. Fluorine

3. Bromine

4. Iodine

Subtopic:  Group 17 - Preparation, Properties & Uses |
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Arrange the following in increasing order of acid strength.

HF, HCl, HBr, HI 

1. HCl < HBr < HI<HF  

2. HF < HCl < HI< HBr

3. HF < HCl < HBr < HI

4. HF< HBr < HI< HCl 

Subtopic:  Group 17 - Preparation, Properties & Uses |
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Fluorine forms only one oxoacid, HOF because of -

1. Low electronegativity and small size

2. High electronegativity and small size

3. High electronegativity and big size

4. Low electronegativity and big size

Subtopic:  Group 17 - Preparation, Properties & Uses |
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The uses of ClO2 is /are-

1. It is used for purifying water

2. It is used as a bleaching agent

3. Both '1'and '2'

4. None of the above

Subtopic:  Group 17 - Preparation, Properties & Uses |
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Halogens are colored because -

1. They absorb radiations in the U.V region

2. They absorb radiations in the visible region

3. They absorb radiations in the infrared region

4. They absorb radiations in the radiowaves region

Subtopic:  Group 17 - Preparation, Properties & Uses |
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 4HCl + O→  X + 2H2O

Cl2 + H2O → HCl  + Y ;

X and Y in the above reaction are respectively:

1.  Cl2 , HOCl

2. HOCl ,Cl2

3. HClO3, HOCl

4. HOCl, HClO4

Subtopic:  Group 17 - Preparation, Properties & Uses |
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A neutral molecule that is isoelectronic with ClO- is -

1. ClF which is a Lewis base

2. ClF which is a Lewis acid

3. HCl which is a Lewis base

4. HCl which is a Lewis acid

 

Subtopic:  Group 17 - Preparation, Properties & Uses |
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The products formed by the reaction of F2 and Cl2 with water respectively are:

1. HF , HCl

2. H2F2 , HOCl

3. HF, HClO3

4. H2F2, HClO4

Subtopic:  Group 17 - Preparation, Properties & Uses |
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