CBSE Class 12 Chemistry The P Block Elements Question Bank Set B

Access the latest CBSE Class 12 Chemistry The P Block Elements Question Bank Set B. We have provided free printable Class 12 Chemistry worksheets in PDF format, specifically designed for Unit 7 The p-Block Elements. These practice sets are prepared by expert teachers following the 2025-26 syllabus and exam patterns issued by CBSE, NCERT, and KVS.

Unit 7 The p-Block Elements Chemistry Practice Worksheet for Class 12

Students should use these Class 12 Chemistry chapter-wise worksheets for daily practice to improve their conceptual understanding. This detailed test papers include important questions and solutions for Unit 7 The p-Block Elements, to help you prepare for school tests and final examination. Regular practice of these Class 12 Chemistry questions will help improve your problem-solving speed and exam accuracy for the 2026 session.

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The p Block elements
 
OBJECTIVE TYPE QUESTIONS
 
Multiple choice type questions
 
1. The basic character of NH3, PH3, AsH3 and SbH3 decreases in the order
(a) SbH3 > PH3 > AsH3 > NH3
(b) NH3 > PH3 > AsH3 > SbH3
(c) NH3 > SbH3 > PH3 > AsH3
(d) AsH3 > PH3 > SbH3 > NH3
 
2. Nitrogen is unable to form penta halides because of the
(a) presence of 2s and 2p orbitals
(b) absence of 3d orbitals
(c) absence of 3p and 3d orbitals
(d) absence of 3s, 3p and 3d orbitals
 
3. Which among the following is the least basic?
(a) NCl3    (b) NBr3
(c) NI3      (d) NF3
 
4. When SO2 gas is passed into an acidified K2Cr2O7 solution, the oxidation number of chromium changes from
(a) +3 to +6     (b) +6 to +3
(c) +12 to +3    (d) +6 to –3
 
5. The catalyst used in the manufacture of HNO3 by Ostwald’s process is :
(a) platinum gauze          (b) vanadium pentoxide
(c) finely divided nickel    (d) platinum black .
 
6. Which of the following is the strongest reducing agent ?
(a) NH3    (b) PH3
(c) BiH3    (d) SbH3
 
7. Maximum covalency of nitrogen is __________.
(a) 3    (b) 5
(c) 4    (d) 6
 
8. Which of the following element will form acidic oxides of type E2O3?
(a) As   (b) Sb
(c) Bi    (d) P
 
9. Which of the following hydrides is most acidic ?
(a) H2Te    (b) H2Se
(c) H2O     (d) H2S
 
10. Which of the following hydrides shows the highest boiling point ?
(a) H2O     (b) H2S
(c) H2Se    (d) H2Te
 
11. Which of the following form of the sulphur shows paramagnetic behaviour ?
(a) S8    (b) S6
(c) S2    (d) All of these
 
12. Which of the following oxo acid of sulphur has O–O bond ?
(a) H2S2O7    (b) H2S2O8
(c) H2S2O6    (d) H2S2O5
 
13. Bleaching action of SO2 is due to its
(a) oxidising property    (b) acidic property
(c) reducing property    (d) basic property
 
14. Which one of the following order is correct for the bond energies of halogen molecules ?
(a) I2 > Cl2 > Br2    (b) Br2 > Cl2 > I2
(c) I2 > Br2 > Cl2    (d) Cl2 > Br2 > I2
 
15. Interhalogen compounds are more reactive than the individual halogen because
(a) two halogens are present in place of one
(b) they are more ionic
(c) their bond energy is less than the bond energy of the halogen molecule
(d) they carry more energy
 
16. Which of the following is observed when Cl2 reacts with hot and concentrated NaOH?
(a) NaCl , NaOCl      (b) NaCl , NaClO2
(c) NaCl , NaClO3    (d) NaOCl , NaClO3
 
17. The shape of XeO2F2 molecule is
(a) trigonal bipyramidal   (b) square planar
(c) tetrahedral                (d) see-saw
 
18. Which has trigonal bipyramidal shape ?
(a) XeOF4     (b) XeO3
(c) XeO3F2    (d) XeOF2
 
19. What is the change observed when AgCl reacts with NH3?
(a) White ppt is formed
(b) Solution become colourless
(c) Yellow ppt is formed
(d) No change is observed
 
20. The formation of O2 +[PtF6]- is the basis for the formation of xenon fluorides. This is because
(a) O2 and Xe have comparable sizes
(b) both O2 and Xe are gases
(c) O2 and Xe have comparable ionisation energies
(d) Both (a) and (c)
 
21. Fluorine is a stronger oxidising agent than chlorine in aqueous solution. This is attributed to many factors except
(a) heat of dissociation    (b) ionisation potential
(c) heat of hydration       (d) electron gain enthalpy
 
22. Which of the following is an acidic oxide?
(a) Mn2O7     (b) Na2O
(c) N2O         (d) BaO
 
23. In nitrogen family, the H-M-H bond angle in the hydrides gradually becomes closer to 90º on going from N to Sb. This shows that gradually
(a) The basic strength of the hydrides increases
(b) Almost pure p-orbitals are used for M-H bonding
(c) The bond energies of M-H bonds increase
(d) The bond pairs of electrons become nearer to the central atom
 
24. Which one of the following arrangements does not give the correct picture of the trends indicated against it ?
(i) F2 > Cl2 > Br2 > I2 : Oxidizing power
(ii) F2 > Cl2 > Br2 > I2 : Electron gain enthalpy
(iii) F2 > Cl2 > Br2 > I2 : Bond dissociation energy
(iv) F2 > Cl2 > Br2 > I2 : Electronegativity.
(a) (ii) and (iv)   (b) (i) and (iii)
(c) (ii) and (iii)   (d) (ii), (iii) and (iv)
 
25. Electronegativity of oxygen is more than sulphur yet H2S is acidic while water is neutral. This is because
(a) water is highly associated compound
(b) molecular mass of H2S is more than H2O
(c) H2S is gas while H2O is a liquid
(d) H–S bond is weaker than H–O bond
 
26. Which one of the following is isostructural with ICl4-
(a)XeF6
(b)XeF4
(c)XeF2
(d)XeF82-

 

Please click on below link to download CBSE Class 12 Chemistry The P Block Elements Question Bank Set B

~ Class 12 Chemistry (Old Chapters)
CBSE Class 12 Chemistry Chemistry in Everyday Life Question Bank
CBSE Class 12 Chemistry Chemistry in Everyday Life Worksheet Set A
CBSE Class 12 Chemistry Chemistry in Everyday Life Worksheet Set B
CBSE Class 12 Chemistry General principles and Processes of isolation of elements Question Bank
CBSE Class 12 Chemistry General Principles and Processes of Isolation of Elements Worksheet Set A
CBSE Class 12 Chemistry General Principles And Processes of Isolation of Elements Worksheet Set B
CBSE Class 12 Chemistry General Principles And Processes of Isolation of Elements Worksheet Set C
CBSE Class 12 Chemistry General Principles And Processes of Isolation of Elements Worksheet Set D
CBSE Class 12 Chemistry General Principles And Processes of Isolation of Elements Worksheet Set E
CBSE Class 12 Chemistry In Everyday Life Question Bank
CBSE Class 12 Chemistry In Everyday Life Worksheet Set A
CBSE Class 12 Chemistry Polymers Worksheet Set A
CBSE Class 12 Chemistry Polymers Worksheet Set B
CBSE Class 12 Chemistry Polymers Worksheet Set C
CBSE Class 12 Chemistry Polymers Worksheet Set D
CBSE Class 12 Chemistry Solid State Question Bank
CBSE Class 12 Chemistry Solid State Question Bank Set A
CBSE Class 12 Chemistry Solid State Question Bank Set B
CBSE Class 12 Chemistry Solid State Worksheet
CBSE Class 12 Chemistry Surface Chemistry Question Bank
CBSE Class 12 Chemistry Surface Chemistry Question Bank Set A
CBSE Class 12 Chemistry Surface Chemistry Question Bank Set B
CBSE Class 12 Chemistry Surface Chemistry Worksheet Set A
CBSE Class 12 Chemistry Surface Chemistry Worksheet Set B
CBSE Class 12 Chemistry Surface Chemistry Worksheet Set C
CBSE Class 12 Chemistry Surface Chemistry Worksheet Set D
CBSE Class 12 Chemistry Surface Chemistry Worksheet Set E
CBSE Class 12 Chemistry The P Block Elements Question Bank
CBSE Class 12 Chemistry The P Block Elements Question Bank Set A
CBSE Class 12 Chemistry The P Block Elements Question Bank Set B
CBSE Class 12 Chemistry The p Block Elements Worksheet Set A
CBSE Class 12 Chemistry The p Block Elements Worksheet Set B
CBSE Class 12 Chemistry The p Block Elements Worksheet Set C
CBSE Class 12 Chemistry The P Block Elements Worksheet Set E
CBSE Class 12 Chemistry The P Block Elements Worksheet Set F
CBSE Class 12 Chemistry The Solid State Worksheet Set A
CBSE Class 12 Chemistry The Solid State Worksheet Set B

Unit 7 The p-Block Elements CBSE Class 12 Chemistry Worksheet

Students can use the Unit 7 The p-Block Elements practice sheet provided above to prepare for their upcoming school tests. This solved questions and answers follow the latest CBSE syllabus for Class 12 Chemistry. You can easily download the PDF format and solve these questions every day to improve your marks. Our expert teachers have made these from the most important topics that are always asked in your exams to help you get more marks in exams.

NCERT Based Questions and Solutions for Unit 7 The p-Block Elements

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