Question:

In 3d-transition series, which one has the least melting point?

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Metals with fully filled d-orbitals (like Zinc) tend to have lower melting points compared to those with partially filled d-orbitals, which result in stronger metallic bonds.
Updated On: Apr 23, 2025
  • V
  • Zn
  • Mn
  • Cu
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The Correct Option is B

Solution and Explanation


Transition metals generally have high melting points due to strong metallic bonding. However, zinc (Zn) has a relatively low melting point compared to other transition metals. This is because zinc has a full d-shell configuration, which results in weaker metallic bonding compared to metals that have partially filled d-orbitals. - Vanadium (V) and Manganese (Mn), being earlier in the transition series, have higher melting points due to stronger metallic bonding. - Copper (Cu) also has a relatively high melting point due to the strong bonding in its atomic structure. Thus, the correct answer is Zinc (Zn), which has the least melting point in the 3d-transition series.
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