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Home arrow Student Resources arrow Chapter 25: The f-block metals: lanthanoids and actinoids arrow Multiple choice questions

Multiple choice questions

For some of these questions, you need data from the appendices of Inorganic Chemistry, third edition by C.E. Housecroft and A.G. Sharpe. On opening the book cover you will find a periodic table and a list of elements and atomic masses. Physical constants are listed on the back inside cover of the book.

Multiple choice questions by Catherine E. Housecroft.



 This activity contains 20 questions.

Question 1
1 Which oxidation states correctly represent the usual range exhibited by the stated metal?
 
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Question 2
2 The number of radial nodes possessed by a 4f atomic orbital is:
 
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Question 3
3 Which statement best describes the electronic spectra of lanthanoids?
 
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Question 4
4 Which isotope is produced by an (n, γ) reaction starting from 230Th?
 
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Question 5
5 Which statement is incorrect about the lanthanoid metals?
 
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Question 6
6 Which statement is incorrect about complexes formed by the lanthanoids?
 
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Question 7
7 The ground state term symbol for Eu3+ is:
 
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Question 8
8 Which statement is incorrect about applications of lanthanoid metals and their compounds?
 
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Question 9
9 Which statement is incorrect?
 
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Question 10
10 When uranium is heated with Cl2, which combination of products is most likely?
 
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Question 11
11 The [UO2]2+ ion is hydrated in solution. Which species can be isolated from strong acid media?
 
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Question 12
12 Look at Figure 25.8 in Inorganic Chemistry. Calculate values for Eo (pH = 0) for the Np4+/Np and [AmO2]2+/Am4+ couples. The values are:
 
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Question 13
13 Which reaction is least likely to give the stated organometallic compound as the final product? (Cp* = C5Me5).
 
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Question 14
14 Which statement is incorrect about [PuO2]+ and [PuO2]2+?
 
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Question 15
15 Which statement about UF6 is incorrect?
 
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Question 16
16 Lanthanoid hydrides of formula LnH2:
 
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Question 17
17 In the coordination chemistry of Ln(III) centres, bulky amido ligands are used to stabilize:
 
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Question 18
18 Which of the following series contains only paramagnetic metal ions?
 
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Question 19
19 In addition to uranium, which other actinoid occurs naturally in significant amounts?
 
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Question 20
20 Which is the most common oxidation state for thorium in its compounds?
 
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