Worksheet: Transition Metals

In this worksheet, we will practice describing the compounds and reactivities of transition metals and trends in their physical and chemical properties.

Q1:

Which of the following is not a transition metal?

  • ACobalt
  • BGold
  • CRhodium
  • DPotassium
  • EZirconium

Q2:

Which of the following is not a common property of the transition metals?

  • AThey form colourful ions.
  • BThey form multiple stable ions.
  • CThey are good catalysts.
  • DThey are easily vaporised.
  • EThey are good thermal conductors.

Q3:

Which of the following is not a common property of the transition metals?

  • AStrong
  • BShiny
  • CDense
  • DColourful
  • EElectrically conductive

Q4:

Transition metals and alkali metals have a few features in common but are different in many ways. Which of the following statements is false?

  • A Alkali metals are not widely used as catalysts, while transition metals are.
  • B Alkali metals have lower melting and boiling points than transition metals.
  • C Transition metals are harder and stronger than alkali metals.
  • D Transition metals produce less colorful compounds than alkali metals.
  • E Transition metals have a larger number of stable oxidation states than alkali metals.

Q5:

In which of the following compounds does the transition metal display the highest oxidation state?

  • A Iron(III) chloride
  • B Sodium chromate(VI)
  • C Manganese(IV) oxide
  • D Potassium manganate(VII)
  • E Copper(I) fluoride

Q6:

Copper is a transition metal, while sodium is an alkali metal. Which of the following tests would yield similar results for these metals?

  • APlacing them in cold water
  • BUsing a hammer to change their shape
  • CHeating them to 100℃
  • DTesting if they are electrically conductive
  • EStoring them in dry air

Q7:

Shown in the graph are the melting points of the first 56 elements of the Periodic Table and the groups in which they occur.

The transition metals are positioned between Groups 3 and 12. Which of the following is the most accurate comparison of the melting points shown in the graph?

  • AThe transition metals and main group elements display a similar range of melting points.
  • BThe transition metals have lower melting points than almost all of the main group elements.
  • CThe transition metals have higher melting points than all of the main group elements.
  • DThe transition metals have higher melting points than almost all of the main group elements.
  • EThe transition metals have lower melting points than all of the main group elements.

Q8:

A natural spring containing manganese is found to be highly acidic. Using the diagram shown, what form of iron would you predict to be most abundant?

  • A F e ( ) 3 + a q
  • B F e ( ) s
  • C F e ( O H ) ( ) 2 s
  • D F e ( ) 2 + a q
  • E F e ( O H ) ( ) 3 s

Q9:

Why are the hexaaqua complexes of S c 3 + and Z n 2 + colorless, while the hexaaqua complexes of F e 2 + , C r 3 + , C o 2 + , N i 2 + , and C u 2 + are intensely colored?

  • A Z n 2 + and S c 3 + always form low-spin octahedral complexes.
  • B Z n 2 + and S c 3 + always form high-spin octahedral complexes.
  • C Z n 2 + and S c 3 + are diamagnetic; the others are paramagnetic.
  • D Z n 2 + has a completely filled d orbital, and S c 3 + has a completely empty d orbital.
  • E Z n 2 + and S c 3 + are paramagnetic; the others are diamagnetic.

Q10:

Why are the hexaaqua complexes of S c 3 + and Z n 2 + colorless, while the hexaaqua complexes of F e 2 + , C r 3 + , C o 2 + , N i 2 + , and C u 2 + are intensely colored?

  • A Z n 2 + and S c 3 + always form low-spin octahedral complexes.
  • B Z n 2 + and S c 3 + always form high-spin octahedral complexes.
  • C Z n 2 + and S c 3 + are diamagnetic; the others are paramagnetic.
  • D Z n 2 + has a completely filled d orbital, and S c 3 + has a completely empty d orbital.
  • E Z n 2 + and S c 3 + are paramagnetic; the others are diamagnetic.

Q11:

The UV spectrum of metal complex A has a strong absorption at 412 nm. The UV spectrum of metal complex B has a strong absorption at 654 nm. If equal quantities of the two solutions of metal complexes were mixed, what would the resulting UV spectrum look like?

  • AThe spectrum would show two strong absorption bands, one at 412 nm and the other at 654 nm.
  • BThe spectrum would show two weak absorption bands, one at 412 nm and the other at 654 nm.
  • CThe spectrum would show two weak absorption bands, one at 472 nm and the other at 594 nm.
  • DThe spectrum would show one very broad absorption band at 533 nm.
  • EThe spectrum would show two strong absorption bands, one at 472 nm and the other at 594 nm.

Q12:

Which of the following do transition metals not exhibit?

  • AThey have high melting points.
  • BThey are malleable and ductile.
  • CThey conduct heat and electricity.
  • DThey undergo irreversible oxidation.
  • EThey are lustrous.

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