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The oxidation number of chromium in sodi...

The oxidation number of chromium in sodium tetrafluorido oxochromate complex is

A

(a) II

B

(b) IV

C

(c) VI

D

(d) III

Text Solution

Verified by Experts

The correct Answer is:
B
`Na_2[CrF_4O]`
`x+4(-1)+(-2)=-2`
`x-6=-2impliesx=+4`
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A2Z-COORDINATION COMPOUNDS-Section D - Chapter End Test
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  2. Co-ordination number of Fe in the complexes [Fe(CN)6]^(4-), [Fe(CN)6]^...

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  3. (Me)(2) SiCl(2) on hydrolysis will produce.

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  4. Types of isomerism shown by [Cr(NH3)5NO2]Cl2 is

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  5. Which of the following will no give a precipate with AgNO3?

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  6. In the process of extraction of gold, Roasted gold ore +CN^(-)+H2Oov...

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  7. A reagent used for identifying nickel ion is:

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  8. Which of the following complex is an outer orbital complex?

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  9. Which of the following has the largest number of isomers? .

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  10. Which kind of isomerism is exhibited by octahedral [Co(NH(3))(4)Br(2)]...

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  11. Which one of the following is expected to exhibit optical isomerism (e...

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

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  13. IUPAC name of [Co(NH3)5NO2]Cl2

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  14. Which of the following is considered to be an anticancer species ?

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  15. An aqueous solution of COCL2 on addition of excess of concentrated HCl...

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  16. The correct order for the wavelength of absorption in the visible regi...

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  17. In which of the following pairs both the complex show optical isomeris...

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  18. Which of the following compounds shows optical isomerism?

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  19. CN^(-) is a strong field ligand. This is due to the fact that

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  20. Considering H2O as a weak field ligand, the number of unpaired electro...

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  21. Given the molecular formula of the hexacoordinated complexes (A) [CoCl...

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