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Which of the following transition metals of 4d series has the lowest melting point?

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Which of the following transition metals of 4d series has the lowest melting point?
A. Ti(Z=22)
B. V(Z=23)
C. Cr(Z=24)
D. Mn(Z=25)
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Correct Answer - D
The elements Mn has the lowest melting point because due to symmetrical `(d^(5))` configuration, the metallic bond is the weakest.
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