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NCERTCBSE CHEMISTRY CLASS 12 CHAPTERWISE MCQ QUESTIONS

Welcome to your Unit 7: The p-Block Elements

1. 
Which of the following represents the general electronic configuration of an element belonging to the p-block of the periodic table?
2. 
Which of the following compounds can be used to obtain free nitrogen?
3. 
How many unshared pair of electrons does an ammonia molecule have?
4. 
Which of the following is true about dinitrogen oxide?
5. 
Which of the following is true regarding nitric acid?
6. 
Which allotrope of phosphorus is the most stable?
7. 
What is the hybridization of phosphine?
8. 
How does PCl5 exist in its solid state?
9. 
What is the range of the oxidation states shown by phosphorus in its oxoacids?
10. 
Which group 16 element is the most electronegative?
11. 
Why does aluminum not degrade in nature quickly?
12. 
What type of oxides is formed by non-metals?
13. 
Which of the following methods is used to form ozone from oxygen?
14. 
Which characteristic of crude petroleum is a consequence of sulfur?
15. 
Which of the following causes acid rain?
16. 
What is the primary product when carbon is treated with concentrated sulfuric acid?
17. 
What are the favorable conditions for maximum yield of Sulphur trioxide?
18. 
Which of the following would instantly react with chlorine?
19. 
How many stages is the ‘salt cake’ method performed in?
20. 
Which of the following shows the correct sequence of acidic strength?
21. 
Which of the following is true about interhalogen compounds?
22. 
What is the electron gain enthalpy for noble gases?

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