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Which of the following ions will exhibit...

Which of the following ions will exhibit colour in aqueous solutions ?

A

`La^(3+)(Z = 57)`

B

`Ti^(3+) (Z= 22)`

C

`Lu^(3+) (Z=71)`

D

`Sc^(3+) (Z=21)`

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-D-BLOCK ELEMENTS-OBJECTIVE EXERCISE-3 (PREVIOUS NEET/AIPMT QUESTIONS)
  1. The correct order of decreasing second ionization enthalpy of Ti(22), ...

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  2. Which one of the elements with the following outer orbital configurati...

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  3. Which of the following ions will exhibit colour in aqueous solutions ?

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  4. Which one of the following ions has electronic configuration [Ar]3d^6 ...

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  5. Which of the following pairs has the same size

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  6. Match List I (substances) with List II (processes) employed in the man...

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  7. Which of the following oxidation states is common for all lanthanides ...

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  8. Compare the stability of + 2 oxidation state of the elements of the fi...

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  9. Acidified K2Cr2O7 solution turns green when Na2SO3 is added to it. Thi...

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  10. Which of the statements is not true?

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  11. Which one of the following does not correctly represent the correct or...

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  12. Four successive members of the first series of the transition metals a...

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  13. Catalytic activity of transition elements and their compounds is due t...

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  14. Which of the following exhibits only +3 oxidation state ?

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  15. Which of the following does not give oxygen on heating?

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  16. Which of the following lanthanoid ions is diamagnetic ?

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  17. Identify the correct order of solubility of Na(2)S, CuS and ZnS in aqu...

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  18. The reaction of aqueous KMnO(4) with H(2)O(2) in acidic conditions giv...

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  19. Magnetic moment 2.83 BM is given by which of the following ions ?

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  20. Reason of lanthanodi contraction is

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