Single Choice

In the following transition elements, the lowest M.P. and B.P. is exhibited by

ACr
BHg
Correct Answer
CCu
DAu

Solution

Hg as there is no unpaired electron so M.P. and B.P are low. Hg is therefore liquid at room temperature and it melts at 234K.

SIMILAR QUESTIONS

d - block and f - block Elements

Volatile metals like $$Zn, Cd$$ and $$Hg$$ are purified by :

d - block and f - block Elements

Which of the following group elements exhibits high melting and boiling points?

d - block and f - block Elements

Transition elements have high MP & BP due to:

d - block and f - block Elements

The maximum and minimum m. p. of $$1^{st}$$ transition and $$2^{nd}$$ transition series respectively are obtained with:

d - block and f - block Elements

These questions consists of two statements each, printed as assertion and reason, while answering these questions you are required to choose any one of the following responses. Assertion : Melting point of Mn is more than that of Fe. Reason : Mn has higher number of unpaired e than Fe in atomic state.

d - block and f - block Elements

The elements of $$3d$$ transition series are given as : $$Sc\ Ti\ V\ Cr\ Mn\ Fe\ Co\ Ni\ Cu\ Zn$$ Which element has the highest melting point and why?

d - block and f - block Elements

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

d - block and f - block Elements

Which of the following transitional metal has lowest boiling point (B.P.)?

d - block and f - block Elements

Transition elements show high melting points why?

d - block and f - block Elements

Transition elements show high melting points why?

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