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Chapters
2: Solutions
3: Ionic Equilibria
4: Chemical Thermodynamics
5: Electrochemistry
6: Chemical Kinetics
7: Elements of Groups 16, 17 and 18
▶ 8: Transition and Inner transition Elements
9: Coordination Compounds
10: Halogen Derivatives
11: Alcohols, Phenols and Ethers
12: Aldehydes, Ketones and Carboxylic acids
13: Amines
14: Biomolecules
15: Introduction to Polymer Chemistry
16: Green Chemistry and Nanochemistry
![SCERT Maharashtra solutions for Chemistry [English] 12 Standard HSC chapter 8 - Transition and Inner transition Elements - Shaalaa.com](/images/chemistry-english-12-standard-hsc_6:5f2b1b2038084cf381bfa42c826a928c.jpg "SCERT Maharashtra solutions for Chemistry [English] 12 Standard HSC chapter 8 - Transition and Inner transition Elements")
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Solutions for Chapter 8: Transition and Inner transition Elements
Below listed, you can find solutions for Chapter 8 of Maharashtra State Board SCERT Maharashtra for Chemistry [English] 12 Standard HSC.
SCERT Maharashtra solutions for Chemistry [English] 12 Standard HSC 8 Transition and Inner transition Elements Multiple Choice Questions
1 Mark
The following ion has the maximum number of unpaired electrons.
Sc3+
Ti3+
Fe3+
Co2+
In 3d series, if nuclear charge increases, the shielding effects will ______.
increase
decrease
first increase then decrease
first decrease then increase
Transition elements have more tendency to form interstitial compounds because _______.
of defect in their crystal lattice
they have reducing property
they have low ionization enthalpy
they have same atomic size
The following electronic configuration of elements shows highest oxidation state
3d54s2
3d54s1
3d104s2
3d104s1
Zinc does NOT show variable valency because of ______.
complete 4s subshell
complete d subshell
incomplete d subshell
incomplete S subshell
The catalyst used for decomposition of KClO3 is _______.
ZnO
MnO2
CuO
K2O
The atomic number of transuranium elements starts from _______.
89 – 103
90 – 103
91 – 103
93 – 103
The following pair of elements has half-filled d-orbitals.
Chromium and cobalt
Manganese and nickel
Chromium and manganese
Cobalt and nickel
SCERT Maharashtra solutions for Chemistry [English] 12 Standard HSC 8 Transition and Inner transition Elements Very short answer questions
1 Mark
Write formula to calculate magnetic moment.
Write the general electronic configuration of 3d series.
Name the radioactive element in lanthanoids.
What is Lanthanoid contraction?
Write chemical formula of ore of zinc.
Name the alloy which is formed from copper and tin.
Which alloy is used in the Fischer-Tropsch process in the synthesis of gasoline?
Name the catalyst used in the hydrogenation of ethene to ethane.
SCERT Maharashtra solutions for Chemistry [English] 12 Standard HSC 8 Transition and Inner transition Elements Short Answer Questions (Type- Ⅰ)
2 Marks
Salt of Sc3+ and Ti4+ are colourless. Explain why?
Give the electronic configuration of europium (Z = 63).
Give the electronic configuration of gadolinium (Z = 64).
Write four points of distinction between Lanthanoids and Actinoids.
Manganese in the +2 oxidation state is more stable than +3 oxidation state where as iron is stable at +3 oxidation state than +2 oxidation state. Explain why?
Explain terms cast iron and wrought iron with their uses?
What are the causes of lanthanide contraction?
SCERT Maharashtra solutions for Chemistry [English] 12 Standard HSC 8 Transition and Inner transition Elements Short Answer Questions (Type-II)
3 Marks
Answer the following
Give the similarities and differences in elements of 3d, 4d, and 5d series.
Discuss the position of d-block elements, lanthanoids and actinoids in the periodic table.
Calculate magnetic moment of thorium (Z=90). Is this element diamagnetic or paramagnetic?
What are interstitial compounds?
Write any four properties of interstitial compounds.
What is a ferrous alloy?
What is a non-ferrous alloy?
Write any two uses of alloy.
What are rare earth elements?
Write any two properties of actinides.
Write any two uses of actinides.
SCERT Maharashtra solutions for Chemistry [English] 12 Standard HSC 8 Transition and Inner transition Elements Long Answer Questions
4 Marks
Ground state electronic configurations of gadolinium and lutetium are different than expected. Explain why?
Answer the following
Explain the trends in atomic radii of d block elements.
Explain the trend in an Oxidation state of 3d elements.
Which factors relate to the colour of transition metal?
Define transuranium.
Define d-block elements.
Write two applications of lanthanoids.
Write two applications of actinoids.
Solutions for 8: Transition and Inner transition Elements
SCERT Maharashtra solutions for Chemistry [English] 12 Standard HSC chapter 8 - Transition and Inner transition Elements
Shaalaa.com has the Maharashtra State Board Mathematics Chemistry [English] 12 Standard HSC 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. SCERT Maharashtra solutions for Mathematics Chemistry [English] 12 Standard HSC Maharashtra State Board 8 (Transition and Inner transition Elements) 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] 12 Standard HSC 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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