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The p-Block elements Class 12 Chemistry | Chapter 7 | NCERT Solutions Questions 15-24

Overview

 

In this video we will cover:

1.Give the disproportionation reaction of H3PO3.

2.Can PCl5 act as an oxidising as well as a reducing agent? Justify.

3.Justify the placement of O, S, Se, Te and Po in the same group of the periodic table in terms of electronic configuration, oxidation state and hydride formation.

4.Why is dioxygen a gas but sulphur a solid?

5.Knowing the electron gain enthalpy values for O → O– and O → O2– as –141 and 702 kJ mol–1 respectively, how can you account for the formation of a large number of oxides having O2– species and not O– ? (Hint: Consider lattice energy factor in the formation of compounds).

6.Which aerosols deplete ozone?

7.Describe the manufacture of H2SO4 by contact process?

8.How is SO2 an air pollutant?

9.Why are halogens strong oxidising agents?

10.Explain why fluorine forms only one oxoacid, HOF.

11. Class 12 NCERT Chemistry chapter 7 notes

12. Class 12 Ncert Chemistry chapter The p-block Elements

13. Class 12 Ncert Chemistry chapter The p-block elements ncert solutions

14. Class 12 Ncert Chemistry chapter The p-block elements NEET JEE

All About: The p-Block Elements Class 12 Chemistry NCERT Chapter

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Timestamps
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Introduction

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NCERT Q7.15

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NCERT Q7.16

2.17

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NCERT Q7.17

3.55

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NCERT Q7.18

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NCERT Q7.19

8.39

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NCERT Q7.20

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NCERT Q7.24

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