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  • Which of the pair of metals has the lowest melting point in their corresponding period:Option: 1 <img alt="\mathrm{Mo \: and\: Cr}" src="/latex-image

Which of the pair of metals has the lowest melting point in their corresponding period:

Option: 1

\mathrm{Mo \: and\: Cr}


Option: 2

\mathrm{Hf\: and \: Ti}


Option: 3

\mathrm{Os \: and \: V}


Option: 4

\mathrm{Tc \: and\: Mn}


Answers (1)

The electronic configuration of Technicium \mathrm{(Tc)} and Manganese \mathrm{(Mn)} is \mathrm{[Kr] 4d^{5}5s^{2}} and \mathrm{ [Ar] 3d^{5}4s^{2}} respectively. Both the metal has \mathrm{d^{5}} configuration and show anomalous behaviour in their period. 

Hence 4 is correct option.

Posted by

Ramraj Saini

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