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Chapters
2: Introduction to Analytical Chemistry
3: Basic Analytical Techniques
4: Structure of Atom
5: Chemical Bonding
6: Redox Reactions
7: Modern Periodic Table
8: Elements of Group 1 and 2
▶ 9: Elements of Group 13, 14 and 15
10: States of Matter
11: Adsorption and Colloids
12: Chemical Equilibrium
13: Nuclear Chemistry and Radioactivity
14: Basic Principles of Organic Chemistry
15: Hydrocarbons
16: Chemistry in Everyday Life
![Balbharati solutions for Chemistry [English] 11 Standard chapter 9 - Elements of Group 13, 14 and 15 - Shaalaa.com](/images/chemistry-english-11-standard_6:1ddd95908cb04440a83d42566c3337de.jpg "Balbharati solutions for Chemistry [English] 11 Standard chapter 9 - Elements of Group 13, 14 and 15")
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Solutions for Chapter 9: Elements of Group 13, 14 and 15
Below listed, you can find solutions for Chapter 9 of Maharashtra State Board Balbharati for Chemistry [English] 11 Standard.
Balbharati solutions for Chemistry [English] 11 Standard 9 Elements of Group 13, 14 and 15 Exercises [Page 134]
Choose the correct option.
Which of the following is not an allotrope of carbon?
buckyball
diamond
graphite
emerald
Choose the correct option.
_________ is inorganic graphite.
Borax
Diborane
Boron nitride
Colemanite
Choose the correct option.
Haber’s process is used for preparation of _______
HNO3
NH3
NH2CONH2
NH4OH
Choose the correct option.
Thallium shows different oxidation state because __________
of inert pair effect
it is inner transition element
it is metal
of its high electronegativity
Choose the correct option.
Which of the following shows the most prominent inert pair effect?
C
Si
Ge
Pb
Identify the group 14 element that best fits the following description.
Nonmetallic element
Identify the group 14 element that best fits the following description.
Form the most acidic oxide
Identify the group 14 element that best fits the following description.
They prefer the +2 oxidation state.
Identify the group 14 element that best fits the following description.
Forms strong π bonds.
Give reason.
Ga3+ salts are better reducing agents while Tl3+ salts are the better oxidizing agent.
Give reason.
PbCl4 is less stable than PbCl2.
Give the formula of a compound in which carbon exhibit an oxidation state of +4
Give the formula of a compound in which carbon exhibit an oxidation state of +2
Give the formula of a compound in which carbon exhibit an oxidation state of −4
Explain the trend of the following in group 13 elements:
Atomic radii
Explain the trend of the following in group 13 elements:
ionization enthalpy
Explain the trend of the following in group 13 elements:
electron affinity
Answer the following.
What is the hybridization of Al in AlCl3?
Answer the following.
Name a molecule having a banana bond.
Draw the structure of the following.
Orthophosphoric acid
Draw the structure of the following.
Resonance structure of nitric acid
Find out the difference between Diamond and Graphite.
Find out the difference between White phosphorus and Red phosphorus
What are silicones?
Where are silicones used?
Explain the trend in the oxidation state of elements from nitrogen to bismuth.
Give the test that is used to detect borate radicals is qualitative analysis.
Explain the structure and bonding of diborane.
A compound is prepared from the mineral colemanite by boiling it with a solution of sodium carbonate. It is a white crystalline solid and used for inorganic qualitative analysis.
Name the compound produced.
A compound is prepared from the mineral colemanite by boiling it with a solution of sodium carbonate. It is a white crystalline solid and used for inorganic qualitative analysis.
Write the reaction that explains borax formation.
Ammonia is a good complexing agent. Explain.
State true or false. Correct the false statement.
The acidic nature of oxides of group 13 increases down the graph.
True
False
State true or false. Correct the false statement.
The tendency for catenation is much higher for C than for Si.
True
False
Match the pairs from columns A and B.
| column A | column B |
|
i) BCl3 |
a. Angular molecule |
| ii) SiO2 | b. linear covalent molecule |
| iii. CO2 | c. Tetrahedral molecule |
| d. Planar trigonal molecule |
Give the reactions supporting the basic nature of ammonia.
Shravani was performing inorganic qualitative analysis of a salt. To an aqueous solution of that salt, she added silver nitrate. When a white precipitate was formed. On adding ammonium hydroxide to this, she obtained a clear solution. Comment on her observations and write the chemical reactions involved.
Solutions for 9: Elements of Group 13, 14 and 15
Balbharati solutions for Chemistry [English] 11 Standard chapter 9 - Elements of Group 13, 14 and 15
Shaalaa.com has the Maharashtra State Board Mathematics Chemistry [English] 11 Standard Maharashtra State Board solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. Balbharati solutions for Mathematics Chemistry [English] 11 Standard Maharashtra State Board 9 (Elements of Group 13, 14 and 15) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.
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Concepts covered in Chemistry [English] 11 Standard chapter 9 Elements of Group 13, 14 and 15 are Electronic Configuration of Elements of Groups 13, 14 and 15, Trends in Atomic and Physical Properties of Elements of Groups 13, 14 and 15, Chemical Properties of the Elements of the Groups 13,14 and 15, Catenation, Molecular Structures of Some Important Compounds of the Group 13, 14 and 15 Elements, Chemistry of Notable Compounds of Elements of Groups 13, 14 and 15, Allotropy and Allotropes of Carbon.
Using Balbharati Chemistry [English] 11 Standard solutions Elements of Group 13, 14 and 15 exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in Balbharati Solutions are essential questions that can be asked in the final exam. Maximum Maharashtra State Board Chemistry [English] 11 Standard students prefer Balbharati Textbook Solutions to score more in exams.
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