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Due to lanthanoid contraction which of t...

Due to lanthanoid contraction which of the following properties is not expected to be similar in the sme vertical columns of second and third row transition elements ?

A

Atomic radii

B

Ionisation elergies

C

Magnetic moments

D

Lattice energies

Text Solution

Verified by Experts

The correct Answer is:
C
Magnetic moments depend upon the number of unpaired electrons.
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NCERT FINGERTIPS-THE D- AND F- BLOCK ELEMENTS -General Properties Of The Transition Elements
  1. The melting points of Cu, Ag and Au follow the order

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  2. The melting point of copper is higher than that of zinc because

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  3. Due to lanthanoid contraction which of the following properties is not...

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  4. Zr(Z=40) and Hf(Z=72) have similar atomic and ionic radii because of:

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  5. The second and third row elements of transition maetals resemle each o...

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  6. Reactivity of transition elements decreases almost regularly from Sc t...

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  7. Which of the following is not corrextly matched with the given example...

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  8. Cu^(+) ion is not stable in aqueous solution because because of dispro...

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  9. The first ionisation energies of the elements of the first transition ...

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  10. Match the column I with column II and mark the appropriate choice.

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  11. Identify the species in which the metal atom is in +6 oxidation state.

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  12. In which of the following compounds manganese has oxidation number equ...

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  13. E(Mn^(3+)//Mn^(2+))^@is highly positive than that of E(Cr^(3+)//Cr^(2+...

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  14. The correct order of E(M^(2+)//M)^(@) Values with negative sign for th...

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  15. Which of the following d-block element has half - filled penultimate a...

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  16. Fe^(3+) compounds are more stable than Fe^(2+) compounds because

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  17. The salts of Cu in +1 oxidation state are unstable because

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  18. In which of the following pairs of ions, the higher oxidation state in...

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  19. CuSO4 is paramagnetic while ZnSO4 is diamagnetic because

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  20. Which of the following transition metal ions has highest magnetic mome...

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