CBSE Class 11 Chemistry P-Block Elements Worksheet Set 01

Official Class 11 Chemistry Worksheets: Chapter 11 The p-Block Elements

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Chapter-wise Practice Material: Chapter 11 The p-Block Elements

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THE p-BLOCK ELEMENTS
 
1. The hybridization of C atoms in C60 molecule is _______
 
a) sp b) sp2 c)sp3 d)dsp2
 
2. An aqueous solution of borax is ________________
 
3. SiF4 gets hydrolysed giving ______________
 
4. Assertion –Reason type questions:
 
In the following questions a statement of assertion followed by a statement of reason is given, Choose the correct answer from the following choices.
(a) Both assertion and reason are correct statements and the reason is a correct explanation for assertion.
(b) Both assertion and reason are correct but reason is not a correct explanation for assertion.
(c) Assertion is correct but reason is incorrect.
(d) Assertion is wrong but reason is correct.
 
i. Assertion :In B2H6 there is no B-B bond
Reason: The B2H6 .2NH3adduct on heating gives borazine
 
ii. Assertion:TlCl3 is more stable than TlCl
Reason:+1 oxidation state of Tl is more stable than +3
 
5. Give reasons:
 
a) There is gradual increase in electro negativity from Al to Tl.
b) Boron does not form [BF6]3- ion.
c) BCl3 is more stable than TlCl3.
d) PbI4 does not exist.
e) PbCl4 decomposes easily on heating.
f) Aluminium vessels should not be used to store water.
g) Al is used in making alloys for aircraft industry.
h) Boric acid forms polymeric structure.
i) Si does not form graphite like structure.
j) Fullerenes are the purest forms of carbon.
k) CCl4 cannot be hydrolysed.
l) CO is highly poisonous.
 
6. Describe with suitable examples:
a) Zeolites
b) Silicates
c) Allotropes
 
7. What happens when?
a) Diborane is heated with ammonia
b) Borax is dehydrated
c) Boric acid is heated
 
8. Explain the structures of:
a) Boric acid
b) Fullerene
c) Diborane
 
9. How are silicones prepared? Give its uses.
10. Compare the structure of:
a) Graphite and diamond.
b) SiO2 and CO2.
 
11. Define inert pair effect. Give two consequences..
 
12. Complete and balance the equations:
a. B + O2 →
b. B + N2 →
c. Al + NaOH + H2O →
d. BF3 + NH3 →
 
13. Give the method of preparation of LiBH4
 
14. A salt A, gives the following results :
 
a. Its aqueous solution is alkaline to litmus
b. It swells up to a glassy material B on strong heating.
c. When conc. H2SO4 is added to a hot solution of A, white crystals an acid C separates out. Write equations for all the above reactions and identify A, B and C.

 

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Chapter 11 The p-Block Elements Practice Sheet and Solutions for Class 11 Chemistry

CBSE Practice Material: Class 11 Chemistry Chapter 11 The p-Block Elements

Explore reliable practice questions for Chapter 11 The p-Block Elements tailored for Class 11 Chemistry learners. Use these structured worksheets to evaluate preparedness and strengthen problem-solving skills.

NCERT-Aligned Questions and Solutions

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FAQs

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You can download the teacher-verified PDF for CBSE Class 11 Chemistry P-Block Elements Worksheet Set 01 from StudiesToday.com. These practice sheets for Class 11 Chemistry are designed as per the latest CBSE academic session.

Are these Chemistry Class 11 worksheets based on the 2026-27 competency-based pattern?

Yes, our CBSE Class 11 Chemistry P-Block Elements Worksheet Set 01 includes a variety of questions like Case-based studies, Assertion-Reasoning, and MCQs as per the 50% competency-based weightage in the latest curriculum for Class 11.

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Yes, we have provided detailed solutions for CBSE Class 11 Chemistry P-Block Elements Worksheet Set 01 to help Class 11 and follow the official CBSE marking scheme.

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Daily practice with these Chemistry worksheets helps in identifying understanding gaps. It also improves question solving speed and ensures that Class 11 students get more marks in CBSE exams.

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