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In which of the following complexes nick...

In which of the following complexes nickel is in the highest oxidation state?

A

`Ni(CO)_(4)`

B

`[Ni(NH_(3))_(6)]Cl_(2)`

C

`K_(4)[Ni(CN)_(4)]`

D

`K_(2)NiF_(6)`

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The correct Answer is:
D
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MODERN PUBLICATION-UNIT TEST 6 -Questions
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  2. The number of ions per mole of the complex CoCl(3).5NH(3) in aqueous s...

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  3. In which of the following complexes nickel is in the highest oxidation...

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  4. The number of P-O-P bonds in the structure of phosphorus pentoxide and...

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  5. The coordination isomerism is exhibited by :

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  6. The number of unpaired electrons in outer orbital [Fe(H(2)O)(6)]^(3+) ...

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  7. Which of the following is not true? In acidic medium K(2)Cr(2)O(7) oxi...

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  8. In alkaline medium, KMnO(4) gets changed into :

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  9. Which of the following statement is not true?

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  10. Which of the following statement is not correct when a mixture of NaCl...

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  11. In the metallurgy of iron , when lime stone is added to the blast furn...

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  12. Which of the following ions has magnetic moment of 1.73 B.M. ?

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  13. Extraction of zinc from zinc blende is achieved by :

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  14. The formula of the complex, tris (ethylenediamine) cobalt (III) sulph...

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  15. which of the following has the smallest ionic radius ?

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  16. Which ion gives coloured solution ?

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  17. Which of the following is an acidic oxide ?

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  18. The number of hydrogen atoms attached to phsophorus atom in hypophosph...

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  19. Among the following molecules : (i) XeO(3)" "(ii) XeOF(4)" " (iii...

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  20. Which of the following is the most basic oxide?

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