Which is the true covalent oxide of iodine?

(1) I2O4

(2) I2O5

(3) I2O8

(4) I4O9

Subtopic:  Group 17 - Preparation, Properties & Uses |
 67%
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Cl2O is an anhydride of:

(1) HClO4

(2) HOCl

(3) Cl2O3

(4) HClO2

Subtopic:  Group 17 - Preparation, Properties & Uses |
 57%
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Which of the following interhalogen anions is linear?

(1) I3-

(2) ICl2-

(3) Both (a) and (b)

(4) none of these

Subtopic:  Interhalogen Compounds |
 73%
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The number of lone pairs of electrons present in the central atom of CIF3 is:

1. 0

2. 1

3. 2

4. 3

Subtopic:  Interhalogen Compounds |
 83%
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What order does the stability of interhalogen compounds follow?

1. IF3  > BrF3  > CIF3

2. BrF3 > IF3 > ClF3

3. ClF3 > BrF3 > IF3

4. ClF> IF3 > BrF3

Subtopic:  Group 17 - Preparation, Properties & Uses |
 57%
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During bleaching of chlorine an antichlor is used to:

(1) enhance bleaching action

(2) eliminate hydrogen

(3) remove chlorine from the fibre

(4) liberate oxygen

Subtopic:  Group 17 - Preparation, Properties & Uses |
 52%
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Non-combustible hydride is:

(1) PH3

(2) AsH3

(3) SbH3

(4) NH3

Subtopic:  Group 15 - Preparation, Properties & Uses |
 64%
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The hydride that possesses the maximum complex formation nature is:

1. NH3

2. PH3

3. BiH3

4. SbH3

Subtopic:  Group 15 - Preparation, Properties & Uses |
 62%
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Which does not give ammonia with water?

1. Mg3N2

2. AlN

3. CaCN2

4. Ca(CN)2

Subtopic:  Group 15 - Preparation, Properties & Uses |
 51%
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On passing H2S through the acidified FeCl3 solution, FeCl3 is converted into:

(1) FeCl2

(2) Fe2(SO4)3

(3) FeS

(4) FeSO4

Subtopic:  Group 17 - Preparation, Properties & Uses | Group 16 - Preparation, Properties & Uses |
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