SATHEE: D-And F-Block Elements Ques 322

D-And F-Block Elements Ques 322

Question: In first transition series, the melting point of $M n$ is low because

[MP PMT/PET 1988]

Options:

A) Due to $d^{10}$ configuration, metallic bonds are strong

B) Due to $d^{7}$ configuration, metallic bonds are weak

C) Due to $d^{5}$ configuration, metallic bonds are weak

D) None of these

Show Answer

Answer:

Correct Answer: C

Solution:

Due to $d^{5}$ configuration, metallic bonds are weak.

$d^{5}$ Orbital is half filled as a result $3 d$ electrons are more tightly held by the nucleus and this reduces the de-localization of electrons resulting in weaker metallic bonding.

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D-And F-Block Elements Ques 322

Question: In first transition series, the melting point of Mn is low because

Options:

Answer:

Solution:

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Question: In first transition series, the melting point of $M n$ is low because