# Balbharati solutions for Chemistry 12th Standard HSC for Maharashtra State Board chapter 8 - Transition and Inner transition Elements [Latest edition]

## Chapter 8: Transition and Inner transition Elements

Exercise
Exercise [Pages 190 - 191]

### Balbharati solutions for Chemistry 12th Standard HSC for Maharashtra State Board Chapter 8 Transition and Inner transition Elements Exercise [Pages 190 - 191]

Exercise | Q 1.01 | Page 190

Choose the most correct option.

Which one of the following is dimagnetic.

• Cr2+

• Fe3+

• Mn2+

• Zn2+

Exercise | Q 1.02 | Page 190

Choose the most correct option.

Most stable oxidation state of titanium is _______.

• +2

• +3

• +4

• +5

Exercise | Q 1.03 | Page 190

Choose the most correct option.

Components of Nichrome alloy are _______.

• Ni, Cr, Fe

• Ni, Cr, Fe, C

• Ni, Cr

• Cu, Fe

Exercise | Q 1.04 | Page 190

Choose the most correct option.

Most stable oxidation state of Ruthenium is _______.

• +2

• +4

• +8

• +6

Exercise | Q 1.05 | Page 190

Choose the most correct option.

Stable oxidation states for chromiom are ________.

• +2, +3

• +3, +4

• +4, +5

• +3, +6

Exercise | Q 1.06 | Page 190

Choose the most correct option.

Electronic configuration of Cu and Cu1+ are _______.

• 3d10 4s0 ; 3d9 4s0

• 3d9 4s1; 3d9 4s0

• 3d10 4s1; 3d10 4s0

• 3d8 4s1; 3d10 4s0

Exercise | Q 1.07 | Page 190

Choose the most correct option.

Which of the following have d0s0 configuration?

• Sc3+

• Ti4+

• V5+

• All of the above

Exercise | Q 1.08 | Page 190

Choose the most correct option.

Magnetic moment of a metal complex is 5.9 B.M. Number of unpaired electrons in the complex is ______.

• 2

• 3

• 4

• 5

Exercise | Q 1.09 | Page 190

Choose the most correct option.

In which of the following series all the elements are radioactive in nature

• Lanthanides

• Actinides

• d-block elements

• s-block elements

Exercise | Q 1.1 | Page 190

Choose the most correct option.

Which of the following sets of ions contain only paramagnetic ions?

• Sm3⊕, Ho3⊕, Lu3⊕

• La3⊕, Ce3⊕, Sm3⊕

• La3⊕, Eu3⊕, Gd3⊕

• Ce3⊕, Eu3⊕, Yb3⊕

Exercise | Q 1.11 | Page 191

Choose the most correct option.

Which actinoid, other than uranium, occur in a significant amount naturally?

• Thorium

• Actinium

• Protactinium

• Plutonium

Exercise | Q 1.12 | Page 191

Choose the most correct option.

The flux added during the extraction of iron from haematite is its?

• Silica

• Calcium carbonate

• Sodium carbonate

• Alumina

Exercise | Q 2.01 | Page 191

What is the oxidation state of Manganese in "MnO"_4^(2-)

Exercise | Q 2.01 | Page 191

What is the oxidation state of manganese in: "MnO"_4^-?

Exercise | Q 2.02 | Page 191

Give uses of KMnO4

Exercise | Q 2.03 | Page 191

Why salts of Sc3⊕, Ti4⊕, V5⊕ are colourless?

Exercise | Q 2.04 | Page 191

Which steps are involved in the manufacture of potassium dichromate from chromite ore?

Exercise | Q 2.05 | Page 191

Balance the following equation

$\ce{KMnO4 + H2C2O4 -> MnSO4 + K2SO4 + H2O + O2}$

Exercise | Q 2.05 | Page 191

Balance the following equation

$\ce{K2Cr2O7 + Kl + H2SO4 -> K2SO4 + Cr2(SO4)3 + 7H2O + 3l2}$

Exercise | Q 2.06 | Page 191

What are the stable oxidation states of plutonium, cerium, manganese, Europium?

Exercise | Q 2.07 | Page 191

Write the probable electronic configuration of chromium and copper.

Exercise | Q 2.08 | Page 191

Why nobelium is the only actinoid with a +2 oxidation state?

Exercise | Q 2.09 | Page 191

Explain with the help of a balanced chemical equation, why the solution of Ce(IV) is acidic.

Exercise | Q 2.1 | Page 191

What is meant by ‘shielding of electrons’ in an atom?

Exercise | Q 2.11 | Page 191

The atomic number of an element is 90. Is this element diamagnetic or paramagnetic?

Exercise | Q 3.01 | Page 191

Explain the trends in atomic radii of d block elements.

Exercise | Q 3.02 | Page 191

Name different zones in the Blast furnace. Write the reactions taking place in them.

Exercise | Q 3.03 | Page 191

What are the differences between cast iron, wrought iron, and steel?

Exercise | Q 3.04 | Page 191

Iron exhibits +2 and +3 oxidation states. Write their electronic configuration. Which will be more stable? Why ?

Exercise | Q 3.05 | Page 191

Give the similarities and differences in elements of 3d, 4d, and 5d series.

Exercise | Q 3.06 | Page 191

Explain trends in ionisation enthalpies of d block elements.

Exercise | Q 3.07 | Page 191

What is meant by diamagnetic and paramagnetic? Give one example of diamagnetic and paramagnetic transition metal and lanthanoid metal.

Exercise | Q 3.08 | Page 191

Why the ground-state electronic configurations of gadolinium and lutetium are different than expected?

Exercise | Q 3.09 | Page 191

Write the steps involved in the metallurgical process.

Exercise | Q 3.1 | Page 191

Cerium and Terbium behave as good oxidising agents in the +4 oxidation state. Explain.

Exercise | Q 3.11 | Page 191

Europium and ytterbium behave as good reducing agents in the +2 oxidation state explain.

Exercise

## Balbharati solutions for Chemistry 12th Standard HSC for Maharashtra State Board chapter 8 - Transition and Inner transition Elements

Balbharati solutions for Chemistry 12th Standard HSC for Maharashtra State Board chapter 8 (Transition and Inner transition Elements) 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 Chemistry 12th Standard HSC for Maharashtra State Board solutions in a manner that help students grasp basic concepts better and faster.

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Concepts covered in Chemistry 12th Standard HSC for Maharashtra State Board chapter 8 Transition and Inner transition Elements are Transition and Inner Transition Elements, Position in the Periodic Table of Transition and Inner Transition Elements, Electronic Configuration of Transition and Inner Transition Elements, Oxidation States of First Transition Series, Physical Properties of First Transition Series, Trends in Atomic Properties of the First Transition Series, Preparation of Potassium Permanganate, Chemical Properties of KMnO4, Uses of KMnO4, K2Cr2O7: Preparation of Potassium Dichromate, Chemical Properties of K2Cr2O7, Common Properties of d Block Elements, Extraction of Metals, Inner Transition (f-block) Elements: Lanthanoids and Actinoids, Properties of f-block Elements, Properties of Lanthanoids, Applications of Lanthanoids, The Actinoids, Properties of Actinoids, Applications of Actinoids, Postactinoid Elements.

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