The p block elements part 2
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NCERT Class 12 Chemistry Chapter-wise Solutions
- 1 – The Solid State
- 2 – Solutions
- 3 – Electrochemistry
- 4 – Chemical Kinetics
- 5 – Surface Chemistry
- 6 – General Principles and Processes of Isolation of Elements
- 7 – The p-Block Elements
- 8 – The d-and f-Blocks Elements
- 9 – Coordination Compounds
- 10 – Haloalkanes and Haloarenes
- 11 – Alcohols, Phenols and Ethers
- 12 – Aldehydes, Ketones and Carboxylic Acids
- 13 – Amines
- 14 – Biomolecules
- 15 – Polymers
- 16 – Chemistry in Everyday Life
CHAPTER SEVEN THE P-BLOCK ELEMENTS
- 7.1 Group 15 Elements
- 7.2 Dinitrogen
- 7.3 Ammonia
- 7.4 Oxides of Nitrogen
- 7.5 Nitric Acid
- 7.6 Phosphorus – Allotropic Forms
- 7.7 Phosphine
- 7.8 Phosphorus Halides
- 7.9 Oxoacids of Phosphorus
- 7.10 Group 16 Elements
- 7.11 Dioxygen
- 7.12 Simple Oxides
- 7.13 Ozone
- 7.14 Sulphur – Allotropic Forma
- 7.15 Sulphur Dioxide
- 7.16 Oxoacids of Sulphur
- 7.17 Sulphuric Acid
- 7.18 Group 17 Elements
- 7.19 Chlorine
- 7.20 Hydrogen Chloride
- 7.21 Oxoacids of Halogens
- 7.22 Interhalogen Compounds
- 7.23 Group 18 Elements
NCERT Solutions class 12 Chemistry The p block elements part 2
21. Describe the manufacture of 
by contact process?
22. How is 
an air pollutant?
23. Why are halogens strong oxidising agents?
24. Explain why fluorine forms only one oxoacid, HOF.
25. Explain why in spite of nearly the same electronegativity, oxygen forms hydrogen bonding while chlorine does not.
26. Write two uses of 
.
27. Why are halogens coloured?
28. Write the reactions of 
and 
with water.
29. How can you prepare from HCl and HCl from ? Write reactions only.
30. What inspired N. Bartlett for carrying out reaction between Xe and
?
31. What are the oxidation states of phosphorus in the following:
(i) 
(ii) 
(iii) 
(iv) 
(v) 
?
32. Write balanced equations for the following:
(i) NaCl is heated with sulphuric acid in the presence of 
.
(ii) Chlorine gas is passed into a solution of NaI in water.
33. How are xenon fluorides 
and 
obtained?
34. With what neutral molecule is 
isoelectronic? Is that molecule a Lewis base?
35. How are 
and 
prepared?
36. Arrange the following in the order of property indicated for each set:
(i) 
increasing bond dissociation enthalpy.
(ii) HF, HCl, HBr, HI – increasing acid strength.
(iii) 
– increasing base strength.
37. Which one of the following does not exist?
(i)
(ii) 
(iii) 
(iv)
38. Give the formula and describe the structure of a noble gas species which is isostructural with:
(i) 
(ii) 
(iii) 
39. Why do noble gases have comparatively large atomic sizes?
40. List the uses of Neon and argon gases.
covers both organic and inorganic chemistry. Please note that CBSE has reduced the syllabus for class 12 Chemistry. So, you must check the latest syllabus of CBSE while going through the NCERT solution of any chapter given in the class 12 NCERT book.