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Among these, identify the species with a...

Among these, identify the species with an atom in `+6` oxidation state: .

A

`MnO_(4)^(-)`

B

`Cr(CN)_(6)^(3-)`

C

`NiF_(6)^(2-)`

D

`CrO_(2)Cl_(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
`MnO_(4)^(-)`, Oxidation state of Mn
= + 7
`Cr(CN)_(6)^(3-)`, Oxidation sate of `Cr = + 3`
`NiF_(6)^(2-),` Oxidation state of Ni = + 4
`Cr_(2)Cl`, Oxidation state of Cr = + 6
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-PRACTICE SET 17-PHYSICS & CHEMISTRY
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  3. Among these, identify the species with an atom in +6 oxidation state: ...

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  4. A sample of chloroform before using as an anaesthetic is tested by :

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  5. When acetaldehyde is heated with Fehling's solution it gives a precipi...

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  6. Pick out the incorrect statement.

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  7. Chemical A is used for water softening to remove temporary hardness. A...

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  8. The octahedral complex of a metal ion M^(3+) with four monodentate lig...

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  9. Which of the following molecules /ions does not contain upaired electr...

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  10. What is the product of following reaction, CHCl(2)COCl overset ("LAH...

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  11. In the following sequence of reactions, CH(3)CH(2)OH overset(KMnO(4...

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  12. CHCl(3) and KOH on heating with a compound form a bad smelling produc...

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  13. The ultimate product of the hydrolysis of starch is

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  14. Which of the following polymers contains nitrogen ?

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  15. A substance which can act both as an antiseptic and disinfectant is :

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  16. Halogen prepared from sea-weeds is

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  17. Critical temperature of H(2)O, NH(3), CO(2) and O(2) are 647 K, 405.6 ...

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  18. IN which of the following pairs, the two species have identical bond o...

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  19. The synthesis of PhOH from PhCl is called

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  20. Consider the following acids. (i) Cl(2)CHCOOH (ii) CH(3)COOH ...

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