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The melting points and the boiling point...

The melting points and the boiling points of the transitions elements are higher than the corresponding s-block elements. This is because

A

Transition metals have smaller size

B

Of the presence of one or more unpaired electrons contribution to higher inter atomic forces on account of covalent bond

C

of strong metalic bond due to small size and higher ionization energy

D

of the presence of vacant d-orbitals

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The correct Answer is:
D
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NARAYNA-D BLOCK & TRANSITION ELEMENTS-Level-I (H.W)
  1. Transition element which is volatile

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  2. The metal that has the least melting point among the following is

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  3. The melting points and the boiling points of the transitions elements ...

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  4. The second IP of Cr is high due to

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  5. Transition metals are less reactive because of their

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  6. An element M has the electron configuration [Ar]3d^(5)4s^(2). Which on...

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  7. Which of the following element exhibits maximum oxidation state

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  8. In which of the following compounds iron has lowest oxidation state?

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  9. The pair that can exhibit more stable +4 oxidation state is

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  10. Which of the following electronic configuration is associted with the ...

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  11. The correct statement about iron includes I) Fe(3)O(4) is a mixed ox...

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  12. The correct order of atomic sizes is

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  13. Which of the following cation is colourless in its aqueous solution

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  14. Cuprous ion is colourless, while cupric ion is colured because

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  15. Which of the folllowing pairs of ions are coloureless

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  16. Colour of ferrous ion is

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  17. The colour of transition metal ion is attributed to:

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  18. Which one of the following pairs is coloured

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  19. Which is highly coloured due to inter valence electron transfer trans...

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  20. Amongst [TiE(6)]^(2-), [CoF(6)]^(3-), Cu(2)Cl(2) and [NiCl(4)]^(2-) [A...

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