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In the following statements about the transition elements are true except that
  • a)
    all of the transition elements are predominantly metallic
  • b)
    in aqueous solution, many of their simple ions are coloured
  • c)
    most of the transition elements show pronounced catalytic activity
  • d)
    most of the transition elements show + 1 and + 2 oxidation states
Correct answer is option 'D'. Can you explain this answer?
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In the following statements about the transition elements are true exc...
Only Cu shows +1 oxidation state.
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In the following statements about the transition elements are true exc...
Understanding Transition Elements' Oxidation States
The statement in option 'D' asserts that most transition elements show only +1 and +2 oxidation states. This is misleading as transition metals exhibit a variety of oxidation states.
Key Points about Transition Elements
- Diverse Oxidation States:
Transition elements are known for their ability to adopt multiple oxidation states, typically ranging from +1 to +7. For example:
- Iron (Fe) can exist in +2 (ferrous) and +3 (ferric) states.
- Manganese (Mn) shows states from +2 to +7.
- Significance of d-Orbitals:
The presence of partially filled d-orbitals allows transition metals to lose different numbers of electrons, leading to various oxidation states.
Why Other Statements Are True
- Metallic Nature:
All transition elements are predominantly metallic, characterized by high electrical conductivity and malleability.
- Colored Ions:
Many simple ions of transition metals are colored in aqueous solutions due to d-d electron transitions. For example, copper(II) ions are blue.
- Catalytic Activity:
Transition metals often act as catalysts in chemical reactions due to their ability to change oxidation states and form complex ions, increasing reaction rates.
Conclusion
In summary, while transition metals are versatile in their oxidation states, the notion that they predominantly exhibit only +1 and +2 states is incorrect. Their ability to show a wider range of oxidation states is a defining feature, distinguishing them from other elements.
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In the following statements about the transition elements are true except thata)all of the transition elements are predominantly metallicb)in aqueous solution, many of their simple ions are colouredc)most of the transition elements show pronounced catalytic activityd)most of the transition elements show + 1 and + 2 oxidation statesCorrect answer is option 'D'. Can you explain this answer?
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In the following statements about the transition elements are true except thata)all of the transition elements are predominantly metallicb)in aqueous solution, many of their simple ions are colouredc)most of the transition elements show pronounced catalytic activityd)most of the transition elements show + 1 and + 2 oxidation statesCorrect answer is option 'D'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about In the following statements about the transition elements are true except thata)all of the transition elements are predominantly metallicb)in aqueous solution, many of their simple ions are colouredc)most of the transition elements show pronounced catalytic activityd)most of the transition elements show + 1 and + 2 oxidation statesCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In the following statements about the transition elements are true except thata)all of the transition elements are predominantly metallicb)in aqueous solution, many of their simple ions are colouredc)most of the transition elements show pronounced catalytic activityd)most of the transition elements show + 1 and + 2 oxidation statesCorrect answer is option 'D'. Can you explain this answer?.
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