Which of the following compound of sulphur has -O-Olinkage?

1. H2SO4, sulphuric acid

2. H2S2O8, peroxodisulphuric acid

3. H2S2O7, pyrosulphuric acid

4. H2SO3, sulphurous acid

Subtopic:  Group 16 - Preparation, Properties & Uses |
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Which is the correct thermal stability order for H2EE=O, S, Se, Te and Po?

1.  H2Se<H2Te<H2Po<H2O<H2S

2.  H2S<H2O<H2Se<H2Te<H2Po

3.  H2O<H2S<H2Se<H2Te<H2Po

4.  H2Po<H2Te<H2Se<H2S<H2O

Subtopic:  Group 16 - Preparation, Properties & Uses |
To view explanation, please take trial in the course below.
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Identify the correct formula of 'oleum' from the following

1. H2S2O7

2. H2SO3

3. H2SO4

4. H2S2O8

Subtopic:  Group 16 - Preparation, Properties & Uses |
To view explanation, please take trial in the course below.
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Given below are two statements:
I: The boiling points of the following hydrides of group 16 elements increase in the order 
\(\mathrm{H}_{2} \mathrm{O}<\mathrm{H}_{2} \mathrm{~S}<\mathrm{H}_{2} \mathrm{Se}<\mathrm{H}_{2} \mathrm{Te} \)  
II: The boiling points of these hydrides increase with the increase in molar mass.
In the light of the above statements, choose the most appropriate answer from the options given below:
1. I is incorrect but II is correct 
2. Both I and II are correct 
3. Both I and II are incorrect 
4. I is correct but II is incorrect
Subtopic:  Group 16 - Preparation, Properties & Uses |
To view explanation, please take trial in the course below.
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To view explanation, please take trial in the course below.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology