CBSE Class 12 Chemistry D And F Block Elements Worksheet Set C

Access the latest CBSE Class 12 Chemistry D And F Block Elements Worksheet Set C. We have provided free printable Class 12 Chemistry worksheets in PDF format, specifically designed for Unit 4 The d- and f-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 4 The d- and f-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 4 The d- and f-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.

Download Class 12 Chemistry Unit 4 The d- and f-Block Elements Worksheet PDF

 

The p- Block Elements
 
Multiple Choice Questions:
 
1 Acid used in storage batteries
a) H2SO3      b)H2SO4      c)HClO4      d)HCl
 
2 Radioactive halogen is
a) F              b) Cl            c) I            d)At
 
3 Which among the following oxidizes water to oxygen?
a) F            b)Cl2          c)Br2          d)I2
 
4 Which is most reactive among the following?
a) Cl2           b) Br        c)I2           d) ICl
 
5 Sulphur is present in
a) Phosgene     b) tear gas     c) mustard gas     d) phosphine
 
6 Which statement is incorrect about noble gases?
a) They have low boiling point
b) Weak Van der Waals forces
c) Negative electron gain enthalpy values
d) Completely filled valence orbitals
 
Fill in the blanks:
 
1 _______ is used in the estimation of carbon monoxide.
 
2 ClF3 is _____shaped and contains___lone pairs
 
3 _____, a noble gas, used in MRI systems.
 
4 Stable allotrope of sulphur at room temperature________.
 
5 Catalyst used in the preparation of sulphuric acid by contact process______.
 
Assertion[A] & Reasoning[R]-
 
(A) Both assertion and reason are correct statements, and the reason is the correct explanation of the assertion
 
(B) Both assertion and reason are correct statements, but reason is not the correct explanation of the assertion
 
(C) Assertion is correct, but reason is wrong statement
 
(D) Assertion is wrong, but reason is correct statement
 
(E) Both assertion and reason are wrong statements
 
1 [A]: Reaction of fluorine are exothermic.
[R]: Fluorine has small size and forms strong bonds with other elements.
 
2 [A]: Ozone is thermodynamically stable.
[R]: Decomposition of ozone releases heat and increases entropy
 
3 [A]: Oxygen gas is diamagnetic
[R]: Oxygen contains odd number of electrons.
 
4 [A]: H2Te is most acidic among hydrides of group 16 elements.
[R]: Bond dissociation enthalpy decreases as we go down the group.
 
Answer the following :
 
1. Fluorine does not exhibit any positive oxidation state. Why?
 
2. Name a compound in which chlorine displays ‘+7’ oxidation number.
 
3. Give reason
 
a. Noble gases form compounds with oxygen and fluorine only.
 
b. H2S is gas while water is liquid at room temperature
 
c. Helium is used in diving apparatus.
 
d. Iron dissolves in HCl to form FeCl2 and not FeCl3.
 
e. Sulphur in vapour state exhibits paramagnetic behavior
 
f. XeF2 has a linear shape and not a bent structure
 
g. SF4 is hydrolyzed whereas SF6 is not easily hydrolyzed.
 
h. H2S is less acidic than H2Te.
 
i. Bleaching by Cl2 is permanent but by SO2 is temporary
 
4. Give equations for the manufacture of a) Sulphuric acid b) Chlorine
 
5. Arrange the following in order of the property mentioned
 
a) HF, HCl, HBr, HI (increasing acid strength)
 
b) HOCl, HOClO, HOClO3 (increasing oxidizing power)
 
6. What are interhalogen compounds? How are they prepared? Why are they more reactive than molecular halogens?
 
7. Complete the following reactions
 
a. Cl2 + NaOH (hot, Con) →
 
b. S8 + HNO3(conc.) →
 
c. C + H2SO4 (conc.) →
 
d. O3 + I- + H2O →
 
8. Account for the following
 
a. Reducing character decreases from SO2 to TeO2.
 
b. HClO4 is a stronger acid than HClO.
 
c. Fluorine is a stronger oxidizing agent than chlorine.
 
d. S has greater tendency for catenation than O.
 
e. Bond dissociation energy of F2 is less thanCl2
 
9. Draw the structures of the following
 
a. H2S2O8
 
b. XeOF4
 
c. XeF2
 
d. BrF3

 

Please click on below link to download CBSE Class 12 Chemistry D And F Block Elements Worksheet Set C

~ 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 4 The d- and f-Block Elements CBSE Class 12 Chemistry Worksheet

Students can use the Unit 4 The d- and f-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 4 The d- and f-Block Elements

Our expert team has used the official NCERT book for Class 12 Chemistry to create this practice material for students. After solving the questions our teachers have also suggested to study the NCERT solutions  which will help you to understand the best way to solve problems in Chemistry. You can get all this study material for free on studiestoday.com.

Extra Practice for Chemistry

To get the best results in Class 12, students should try the Chemistry MCQ Test for this chapter. We have also provided printable assignments for Class 12 Chemistry on our website. Regular practice will help you feel more confident and get higher marks in CBSE examinations.

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