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SCERT Maharashtra Question Bank solutions for 12th Standard HSC Chemistry Maharashtra State Board 2022 chapter 7 - Elements of Groups 16, 17 and 18 [Latest edition]

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SCERT Maharashtra Question Bank solutions for 12th Standard HSC Chemistry Maharashtra State Board 2022 chapter 7 - Elements of Groups 16, 17 and 18 - Shaalaa.com
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Chapter 7: Elements of Groups 16, 17 and 18

Multiple Choice QuestionsVery short answer questionsShort answer questions (Type- I)Short Answer Questions (Type-II)Long answer questions
Multiple Choice Questions

SCERT Maharashtra Question Bank solutions for 12th Standard HSC Chemistry Maharashtra State Board 2022 Chapter 7 Elements of Groups 16, 17 and 18 Multiple Choice Questions

1 Mark

Multiple Choice Questions | Q 1

In chlorous acid, oxidation state of chlorine is _______.

  • +2

  • +4

  • +3

  • +7

Multiple Choice Questions | Q 2

Acidic strength of halogen acids increases in the order of _______.

  • HF > HCl > HBr > HI

  • HCl > HF > HBr > HI

  • HBr > HCl > HF > HI

  • HI > HBr > HCl > HF

Multiple Choice Questions | Q 3

Sulfur dioxide reacts with sodium hydroxide solution to form _______.

  • sodium sulfite

  • sodium sulfate

  • sodium hydrogen sulfite

  • sodium hydrogen sulfate

Multiple Choice Questions | Q 4

The gas evolved when sulfuric acid reacts with copper metal _______.

  • sulfur dioxide

  • sulfur trioxide

  • nitrogen dioxide

  • nitrogen trioxide

Multiple Choice Questions | Q 5

Hot and concentrated alkali NaOH reacts with chlorine to form _______.

  • only chlorate

  • only hypochlorite

  • chloride and chlorate

  • chloride and hypochlorite

Multiple Choice Questions | Q 6

When SO2 is passed through an aqueous solution of I2, the solution becomes _______.

  • ruby red

  • colourless

  • violet

  • yellowish green

Multiple Choice Questions | Q 7

O2 molecule is ______.

  • ferromagnetic

  • diamagnetic

  • paramagnetic

  • ferrimagnetic

Multiple Choice Questions | Q 8

The number of covalent bonds present in sulfuric acid:

  • 4

  • 6

  • 8

  • 2

Multiple Choice Questions | Q 9

In interhalogen compounds, which of the following halogens is never the central atom?

  • I

  • Cl

  • Br

  • F

Very short answer questions

SCERT Maharashtra Question Bank solutions for 12th Standard HSC Chemistry Maharashtra State Board 2022 Chapter 7 Elements of Groups 16, 17 and 18 Very short answer questions

1 Mark

Very short answer questions | Q 1

What is the O−S−O bond angle in SO2?

Very short answer questions | Q 2

Complete the following reaction:

\[\ce{SO_{2(g)} + Cl_{2(g)} ->[Charcoal]}\] ?

Very short answer questions | Q 3

Name the solution which is formed by passing sulfur dioxide in water.

Very short answer questions | Q 4

Write chemical formula of galena.

Very short answer questions | Q 5

Why oxygen cannot exhibit a higher oxidation state?

Very short answer questions | Q 6

The number of lone pairs of electrons present in ClF5:

Very short answer questions | Q 7

Write the order of ionic character of halides with monovalent metal (M).

Short answer questions (Type- I)

SCERT Maharashtra Question Bank solutions for 12th Standard HSC Chemistry Maharashtra State Board 2022 Chapter 7 Elements of Groups 16, 17 and 18 Short answer questions (Type- I)

2 Marks

Short answer questions (Type- I) | Q 1

Draw structure and name the shape of bromine trifluoride.

Short answer questions (Type- I) | Q 2

Write any two uses of Chlorine.

Short answer questions (Type- I) | Q 3.1

Write a balanced chemical reaction of sulfuric acid with carbon.

Short answer questions (Type- I) | Q 3.2

Write a balanced chemical reaction of sulfuric acid with sulfur.

Short answer questions (Type- I) | Q 4

Draw resonance hybrid structure of SO2 in two canonical forms.

Short answer questions (Type- I) | Q 5.1

What is the action of chlorine on cold and dilute sodium hydroxide.

Short answer questions (Type- I) | Q 5.2

What is the action of chlorine on hot and concentrated sodium hydroxide?

Short answer questions (Type- I) | Q 6

Elements of group 16 have lower ionization enthalpy values compared to those of group 15 elements. Explain why?

Short Answer Questions (Type-II)

SCERT Maharashtra Question Bank solutions for 12th Standard HSC Chemistry Maharashtra State Board 2022 Chapter 7 Elements of Groups 16, 17 and 18 Short Answer Questions (Type-II)

3 Marks

Short Answer Questions (Type-II) | Q 1.1

What is the oxidation state of sulfur in the following?

Sulfurous acid

Short Answer Questions (Type-II) | Q 1.2

What is oxidation state of sulfur in the following?

Sulfuric acid

Short Answer Questions (Type-II) | Q 1.3

What is oxidation state of sulfur in the following?

Peroxymonosulfuric acid

Short Answer Questions (Type-II) | Q 2.1

Fluorine shows only –1 oxidation state while other halogens show –1, +1, +3, +5 and +7 oxidation states. Explain.

Short Answer Questions (Type-II) | Q 2.2

Write the chemical reaction of action of Cl2 on excess NH3.

Short Answer Questions (Type-II) | Q 3

Answer the following.

Distinguish between rhombic sulfur and monoclinic sulfur.

Short Answer Questions (Type-II) | Q 4.1

Explain the trend in following atomic properties of group 16 elements:

Atomic radii

Short Answer Questions (Type-II) | Q 4.2

Explain the trend in following atomic properties of group 16 elements:

Electronegativity

Short Answer Questions (Type-II) | Q 4.3

Explain the trend in the following atomic properties of group 16 elements:

Electron gain enthalpy

Short Answer Questions (Type-II) | Q 5.1

What are chalcogens?

Short Answer Questions (Type-II) | Q 5.2

Discuss industrial method of preparation of sulfur dioxide from zinc sulfide and iron pyrites.

Short Answer Questions (Type-II) | Q 6.1

Write three physical properties of sulfuric acid.

Short Answer Questions (Type-II) | Q 6.2

Write three uses of sulfuric acid.

Long answer questions

SCERT Maharashtra Question Bank solutions for 12th Standard HSC Chemistry Maharashtra State Board 2022 Chapter 7 Elements of Groups 16, 17 and 18 Long answer questions

4 Marks

Long answer questions | Q 1

Describe the manufacturing of H2SO4 by the contact process.

Long answer questions | Q 2.1

What happens when chlorine reacts with?

Al

Long answer questions | Q 2.2

What happens when chlorine reacts with?

Na

Long answer questions | Q 2.3

What happens when chlorine reacts with?

S8

Long answer questions | Q 2.4

What happens when chlorine reacts with?

P4

Long answer questions | Q 3.1

Draw structure of chloric acid.

Long answer questions | Q 3.2

Draw structure of chlorous acid.

Long answer questions | Q 3.3

Discuss four points of anomalous behavior of fluorine.

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Chapter 7: Elements of Groups 16, 17 and 18

Multiple Choice QuestionsVery short answer questionsShort answer questions (Type- I)Short Answer Questions (Type-II)Long answer questions
SCERT Maharashtra Question Bank solutions for 12th Standard HSC Chemistry Maharashtra State Board 2022 chapter 7 - Elements of Groups 16, 17 and 18 - Shaalaa.com

SCERT Maharashtra Question Bank solutions for 12th Standard HSC Chemistry Maharashtra State Board 2022 chapter 7 - Elements of Groups 16, 17 and 18

SCERT Maharashtra Question Bank solutions for 12th Standard HSC Chemistry Maharashtra State Board 2022 chapter 7 (Elements of Groups 16, 17 and 18) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the Maharashtra State Board 12th Standard HSC Chemistry Maharashtra State Board 2022 solutions in a manner that help students grasp basic concepts better and faster.

Further, we at Shaalaa.com provide such solutions so that students can prepare for written exams. SCERT Maharashtra Question Bank textbook solutions can be a core help for self-study and acts as a perfect self-help guidance for students.

Concepts covered in 12th Standard HSC Chemistry Maharashtra State Board 2022 chapter 7 Elements of Groups 16, 17 and 18 are Occurrence of Elements of Groups 16, 17 and 18, Electronic Configuration of Elements of Group 16, 17 and 18, Atomic and Physical Properties of Elements of Group 16, 17 and 18, Anomalous Behaviour of Oxygen, Anomalous Behaviour of Fluorine, Chemical Properties of Elements of Groups 16, 17 and 18, Oxoacids, Oxygen and Compounds of Oxygen, Chlorine, Concept of Group 18 Elements.

Using SCERT Maharashtra Question Bank 12th Board Exam solutions Elements of Groups 16, 17 and 18 exercise by students are an easy way to prepare for the exams, as they involve solutions arranged chapter-wise also page wise. The questions involved in SCERT Maharashtra Question Bank Solutions are important questions that can be asked in the final exam. Maximum students of Maharashtra State Board 12th Board Exam prefer SCERT Maharashtra Question Bank Textbook Solutions to score more in exam.

Get the free view of chapter 7 Elements of Groups 16, 17 and 18 12th Board Exam extra questions for 12th Standard HSC Chemistry Maharashtra State Board 2022 and can use Shaalaa.com to keep it handy for your exam preparation

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