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Identify the correct statements (a) In...

Identify the correct statements
(a) In a group the correct order of melting points is 3d < 4d < 5d
(b) In 3d and 4d series, VII B group elements have exceptionally low melting points
(c) II B group have highest melting points in any series.
(d) The correct order of melting points is Cu > Ag > Au

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

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A
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AAKASH SERIES-D-BLOCK ELEMENTS-OBJECTIVE EXERCISE-2 (GENERAL PROPERTIES AND ELECTRONIC CONFIGURATION)
  1. Which of the following statements concerning transition elements is no...

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  2. The highly stable pair of ions are

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  3. Transition metal " X " has a configuration [Ar] 3d^(4) in its +3 oxida...

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  4. The number of 'd' electrons in Fe^(2+) is not equal to that of

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  5. The pair of ions which do not have same number of unpaired electrons i...

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  6. Among the transition elements the element with lowest melting point be...

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

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

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

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  10. The correct statement(s) from among the following is/are i) All the ...

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  11. Identify the correct statements (a) In a group the correct order of ...

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

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  13. Incorrect statement reagarding interstial hydrides is

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

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

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  16. Heat of atomization of zinc is lowest among 3d block elements due to

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  17. The positive standard reduction potential of Cu^(2+)/Cu electrode is d...

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  18. The observed and calculated E' values for M^(+2)//M are same for

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  19. Which one of the following is not correct regarding interstitial compo...

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  20. Which one of the following is the correct order of ionic radii?

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