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Nickel combines with a uninegative monod...

Nickel combines with a uninegative monodentate ligand X to form a paramagnetic complex `[NiX_4]^(2-)` . The number of unpaired electron/s in the nickel and geometry of this complex ion are respectively

A

two, square planar

B

one, tetrahedral

C

two, tetrahedral

D

one, square planar

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The correct Answer is:
C
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AAKASH SERIES-COMPLEX COMPOUNDS -Objective Exercise-2
  1. Which of the following represents chelating ligand?

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  2. The liquid hydrazinium is denoted as

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  3. Nickel combines with a uninegative monodentate ligand X to form a para...

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  4. Ammonia forms the complex ion [Cu(NH3)4]^(2+) with copper ions in alk...

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  5. [PdBr4]^(2-) is a sqaure planar complex. The hybridisation of Pd^(2+) ...

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  6. The colour exhibited by one of the iron ions in aqueous solutions is p...

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  7. In nitroprusside ion, the iron and NO exist as Fe^(II) and NO^+ rather...

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  8. Ag^(+) + NH3 hArr [Ag(NH3)]^(+) , K1=3.5xx10^(-3) , [Ag(NH3)]^(+) +...

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  9. The co-ordination number and the oxidation state of the element 'M' in...

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  10. In the separation of Cu^(2+) and Cd^(2+) in 2nd group qualitiative ana...

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  11. The number of bridging carbonyls respectively in Mn2(CO)10 and CO2(CO)...

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  12. Which complex has square planar structure?

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  13. Among [Ni(CO)4], [Ni(CN)4]^(-2) and [NiCl4]^(-2) species the hybrid...

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  14. Which of the following statement is incorrect for metals involving in ...

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  15. Compound that is both paramagnetic and coloured is

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  16. Correct matching from the codes given below

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  17. Strongest oxidant among the following is

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  18. Tetraaminecopper (II) ion is square planar complex with one unpaired e...

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  19. Which of the following shall form an octahedral complex ?

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  20. Which of the following species represent the example of dsp hybridizat...

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