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A) In a group the correct order of melti...

A) In a group the correct order of melting points is `3dlt4dlt5d`
B) VI B group have highest melting points in any series
C) In 3d and 4d series, VIIB group elements have exceptionally low melting points
D) The correct order of melting points is `CugtAggtAu`

A

Only A, B, C are correct

B

Only A, B, D are correct

C

Only B, C, D are correct

D

Only A, D, C are correct

Text Solution

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The correct Answer is:
A
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AAKASH SERIES-REVISION EXERCISE -d-BLOCK ELEMENTS
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  2. Arrange the following in order of their decreasing thermal conductivit...

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  3. A) In a group the correct order of melting points is 3dlt4dlt5d B) V...

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  4. The reason for the stability of Gd^(3+) ion is

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  5. Electronic configuration of a transition element is [Ar] 4s^23d^6. A s...

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  6. Transition elements have higher enthalpy of atomisation than alkali me...

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  7. Enthalpy of atomisation is lowest in

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  8. Which of the following has highest tendency for M^(+2)rarrM

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  9. Cu^(+2) can oxidise the halide

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  10. In aqueous solution the following undergoes disproportination reaction

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  11. d-block elements can act as catalysts due to their ability to

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  12. Incorrect statement reagarding interstial hydrides is

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  13. The properties of Zr and Hf are similar because :

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  14. The stability of particular oxidation state of a metal in aqueous solu...

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  15. Which among FeO and Fe2O3 is more basic?

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  16. Which of the following properties would you not expect copper to exhib...

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  17. Identify the incorrect statement among the following

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  18. The complex K3[Fe(CN)6] should have a spin only magnetic moment of

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  19. The pair of the compounds in which both the metals are in the highest ...

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  20. In which of the following complexes the metal ion is in zero oxidation...

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