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The melting points of Cu, Ag and Au foll...

The melting points of Cu, Ag and Au follow the order

A

`Cu gt Ag gt Au`

B

Cu gt Au gt Ag

C

Au gt Ag gt Cu

D

Ag gt Au gt Cu

Text Solution

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The correct Answer is:
B
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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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