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For first row transition metals, E^(0) v...

For first row transition metals, `E^(0)` values are irregular - explain.

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For the first row transition metals the E^(0) values are : |{:(E^(0),V,Cr,Mn,Fe,Co,Ni,Cu),((M^(2+)|M),-1.18,-0.91,-1.18,-0.44,-0.28,-0.25,+0.34):}| Explain the irregularity in the above values.

Why do transition metals form alloys easily ?

Octahedral complexes of which transition metal ions have zero CFSE. Explain.

Reactivity of transition metals decreases more or less regularly from Sc to Cu. Explain.

In which block transition metals belongs?

Which transition metal is highly dense?

Four successive members of the first row transition elements are listed below with atomic numbers. Which one of them is expected to have the highest E_(M^(3+)|M^(2+))^(0) value -

The 4d and 5d-series of transition metals have more frequent metal-metal bonding in their compounds than do the 3d-metals. Explain.

CHHAYA PUBLICATION-D - AND F - BLOCK ELEMENTS -EXERCISE (SHORT ANSWER-TYPE QUESTIONS)
  1. E(Cr^(3+)|Cr^(2+))^(0)=-0.4V, E(Mn^(3+)|Mn^(2+))^(0)=+1.5V, E(Fe^(3+...

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  2. Cr is a solid metal while Hg is a liquid metal - give reasons.

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  3. Both transition elements and representative elements exhibit variable ...

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  4. The value of third ionisation enthalpy of manganese is much higher tha...

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  5. Transition elements have higher enthalpies of atomisation. Why ?

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  6. For first row transition metals, E^(0) values are irregular - explain.

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  7. Actinoids exhibit more oxidation states than lanthanoids. Why ?

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  8. To calculate the magnetic moment of lanthanoid ions, both spin angular...

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  9. Why are + 3 oxidation states of gadolinium and lutetium stable ?

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  10. The colour of complex compounds of d - block elements depends on the l...

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  11. Why is the value of magnetic moment of actinoids less than that of lan...

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  12. Discuss three dissimilarities between lanthanoids and actinoids.

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  13. Why are transition elements having d^(1) - configuration unstable ?

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  14. Discuss the characteristic properties of the transition elements with ...

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  15. How is K(2)Cr(2)O(7) prepared from chromite ore ? Give the reactions i...

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  16. Describe the process of KMnO(4) preparation from pyrolusite ore. Menti...

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  17. {:(,IE(1)+IE(2),IE(3)+IE(4)),("Element",(KJ.mol^(-1)),(KJ.mol^(-1))),(...

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  18. A blackish - brown solid (A) is oxidised in air with the hydroxide of ...

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  19. Explain the behaviour of lanthanoids with respect to the following - (...

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  20. State three uses of KMnO(4) and K(2)Cr(2)O(7) each.

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