Group 16 - Preparation, Properties & Uses Past Year (2019 onward - NTA Papers) MCQs The p-Block Elements (XII) Chemistry NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

Which of the following compound of sulphur has $- O - O -$ linkage?

1. $H_{2} {SO}_{4}, sulphuric acid$

2. $H_{2} S_{2} O_{8}, peroxodisulphuric acid$

3. $H_{2} S_{2} O_{7}, pyrosulphuric acid$

4. $H_{2} {SO}_{3}, sulphurous acid$

Subtopic: Group 16 - Preparation, Properties & Uses |

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Which is the correct thermal stability order for $H_{2} E (E = O, S, Se, Te and Po) ?$

1. $H_{2} Se < H_{2} Te < H_{2} Po < H_{2} O < H_{2} S$

2. $H_{2} S < H_{2} O < H_{2} Se < H_{2} Te < H_{2} Po$

3. $H_{2} O < H_{2} S < H_{2} Se < H_{2} Te < H_{2} Po$

4. $H_{2} Po < H_{2} Te < H_{2} Se < H_{2} S < H_{2} O$

Subtopic: Group 16 - Preparation, Properties & Uses |

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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 |

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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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