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Lesson 2: General Physical and Chemical Properties of Transition Elements — Picture questions (exam style)

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  • Questions count: 16
  • Passing grade: 60%
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1.
For the two compounds shown, which option is correct?
For the two compounds shown, which option is correct?
equal oxidation numbers ، Fe: +7 ، Co: +3
higher oxidation number in [Co(NH₃)₆]Cl₃ ، Fe: +3 ، Co: +6
higher oxidation number in [Co(NH₃)₆]Cl₃ ، Fe: +6 ، Co: +3
higher oxidation number in K₂FeO₄ ، Fe: +6 ، Co: +3
2.
Using the chart of first-row properties, which statement about Mn and Cu is NOT correct?
Using the chart of first-row properties, which statement about Mn and Cu is NOT correct?
Mn has a larger density than Cu
Cu has a larger density than Mn
Mn has a larger mp than Cu
Zn forms colourless ions because 3d is full
3.
The measured magnetic moment of an ion is shown (2.83 BM). Which ion could it be?
The measured magnetic moment of an ion is shown (2.83 BM). Which ion could it be?
Ni2+
Ti3+
Ti4+
Cr3+
4.
What mass of the transition metal is in 100 g of the compound shown?
What mass of the transition metal is in 100 g of the compound shown?
70.7 g
35.4 g
64.6 g
17.7 g
5.
Calculate the percentage by mass of the transition metal in the compound shown (use the table).
Calculate the percentage by mass of the transition metal in the compound shown (use the table).
34.5 %
65.5 %
36.7 %
51.7 %
6.
For the two compounds shown, which option is correct?
For the two compounds shown, which option is correct?
equal oxidation numbers ، Cr: +6 ، Ti: +3
higher oxidation number in TiO₂ ، Cr: +4 ، Ti: +6
higher oxidation number in CrO₃ ، Cr: +6 ، Ti: +3
higher oxidation number in CrO₃ ، Cr: +6 ، Ti: +4
7.
The measured magnetic moment of an ion is shown (4.90 BM). Which ion could it be?
The measured magnetic moment of an ion is shown (4.90 BM). Which ion could it be?
Fe2+
Ti4+
Cr3+
Ti2+
8.
Calculate the percentage by mass of the transition metal in the compound shown (use the table).
Calculate the percentage by mass of the transition metal in the compound shown (use the table).
77.4 %
34.0 %
22.6 %
33.0 %
9.
For the two compounds shown, which option is correct?
For the two compounds shown, which option is correct?
higher oxidation number in [Cu(NH₃)₄]SO₄ ، V: +4 ، Cu: +2
equal oxidation numbers ، V: +4 ، Cu: +2
equal oxidation numbers ، V: +2 ، Cu: +4
higher oxidation number in VOSO₄ ، V: +4 ، Cu: +2
10.
For the two compounds shown, which option is correct?
For the two compounds shown, which option is correct?
higher oxidation number in K₂FeO₄ ، Co: +3 ، Fe: +6
higher oxidation number in K₂FeO₄ ، Co: +6 ، Fe: +3
higher oxidation number in [Co(NH₃)₆]Cl₃ ، Co: +3 ، Fe: +5
equal oxidation numbers ، Co: +3 ، Fe: +5
11.
Calculate the percentage by mass of the transition metal in the compound shown (use the table).
Calculate the percentage by mass of the transition metal in the compound shown (use the table).
22.4 %
33.7 %
34.1 %
77.6 %
12.
For the two compounds shown, which option is correct?
For the two compounds shown, which option is correct?
higher oxidation number in TiO₂ ، Ti: +4 ، Co: +2
equal oxidation numbers ، Ti: +5 ، Co: +2
higher oxidation number in TiO₂ ، Ti: +5 ، Co: +2
higher oxidation number in CoCl₂·6H₂O ، Ti: +5 ، Co: +2
13.
For the two compounds shown, which option is correct?
For the two compounds shown, which option is correct?
equal oxidation numbers ، Co: +2 ، Mn: +6
higher oxidation number in CoCl₂·6H₂O ، Co: +6 ، Mn: +2
higher oxidation number in K₂MnO₄ ، Co: +2 ، Mn: +6
higher oxidation number in CoCl₂·6H₂O ، Co: +2 ، Mn: +6
14.
For the two compounds shown, which option is correct?
For the two compounds shown, which option is correct?
higher oxidation number in [Cu(NH₃)₄]SO₄ ، Cu: +2 ، Mn: +7
equal oxidation numbers ، Cu: +7 ، Mn: +2
higher oxidation number in Mn₂O₇ ، Cu: +2 ، Mn: +7
equal oxidation numbers ، Cu: +2 ، Mn: +7
15.
For the two compounds shown, which option is correct?
For the two compounds shown, which option is correct?
higher oxidation number in K₂MnO₄ ، Ti: +5 ، Mn: +6
higher oxidation number in TiCl₄ ، Ti: +4 ، Mn: +5
higher oxidation number in TiCl₄ ، Ti: +5 ، Mn: +6
higher oxidation number in K₂MnO₄ ، Ti: +4 ، Mn: +6
16.
For the two compounds shown, which option is correct?
For the two compounds shown, which option is correct?
equal oxidation numbers ، Mn: +8 ، Fe: +3
equal oxidation numbers ، Mn: +7 ، Fe: +3
higher oxidation number in Mn₂O₇ ، Mn: +8 ، Fe: +3
higher oxidation number in Mn₂O₇ ، Mn: +7 ، Fe: +3
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