Which element exhibits the highest catenation property?

1. Phosphorus

2. Nitrogen

3. Antimony

4. Bismuth

Subtopic:  Group 15 - Preparation, Properties & Uses |
 52%
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The electron gain enthalpy values for O → O and O → O2– are –141 and 702 kJ  mol-1 , respectively. The correct statement about the formation of oxides is-

1. Higher the electron gain enthalpy lower is the lattice energy.
2. Higher the electron gain enthalpy higher is the lattice energy.
3. Higher the electron gain enthalpy higher is the stability of oxide.
4. O- is more stable than O2-

Subtopic:  Group 16 - 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 |
 83%
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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 |
 90%
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\(\mathrm{Xe}+\mathrm{PtF}_6 \rightarrow \text { ? }\)

The product of the above reaction is:

1. \(\mathrm{O}_2{ }^{+}\left[\mathrm{PtF}_6\right]^{-}. \) 2. \(\mathrm{XeF}_4 \)
3. \(\mathrm{XeF}_6 \) 4. \(\mathrm{Xe}^{+}\left[\mathrm{PtF}_6\right]^{-}\)
Subtopic:  Group 18 - Preparation, Properties & Uses |
 86%
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In which compound does phosphorous have the lowest oxidation state?

1. H3PO3 

2. PCl3 

3. Ca3P2 

4. POF3

Subtopic:  Group 15 - Preparation, Properties & Uses |
 68%
From NCERT
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 A xenon fluoride that does not exist is:

1. XeF4
2. XeF2
3. XeF3
4. XeF6

Subtopic:  Group 18 - Preparation, Properties & Uses |
 90%
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(a) XeF+ 3H2O →

(b) XeF+ H2

The products formed in the above reactions, respectively, are:

1. XeO3 , XeOF4
2. XeO6 , XeOF4
3. XeO3, XeOF6
4. XeO, XeOF6

Subtopic:  Group 18 - Preparation, Properties & Uses |
 82%
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Arrange the following compounds in increasing order of their acidity:
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 |
 89%
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Compound that does not exist is-

1. XeOF4           

2. NeF2             

3. XeF2                   

4. XeF6

Subtopic:  Group 18 - Preparation, Properties & Uses |
 95%
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