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Among the following , identify the speci...

Among the following , identify the species with an atom in + 6 oxidation state

A

`KMnO_(4)`

B

`K_(2)MnO_(4)`

C

`CrO_(2)Cl_(2)`

D

`K_(3)Cr(CN)_6`

Text Solution

Verified by Experts

The correct Answer is:
B, C
`K_2MnO_4 rArr Mn = +6 , CrO_2Cl rArr Cr=+6`
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AAKASH SERIES-D & F BLOCK ELEMENTS-LEVEL-II (LECTURE SHEET) (EXERCISE-I)(SINGLE & ONE OR MORE THAN ONE CORRECT ANSWERS)
  1. Oxides of which of the following melals show oxidation state of +8 ?

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  2. Select the compounds having metal in zero oxidation state

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  3. Among the following , identify the species with an atom in + 6 oxidati...

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  4. The oxidation state(s) of copper is (are)

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  5. Duraluminium an alloy contains :

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  6. Manganese steel contains

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  7. The stainless steel developed in India contains the following special ...

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  8. Which of the following is(are) alloy(s) not containing copper?

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  9. Which of the following statement(s) is (are) correct. When a mixture o...

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  10. K2MaO4 is formed when :

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  11. Which of the following is (are) correct:

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  12. Which statement (s) is (are) incorrect:

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  13. If, in an ammonical solution, salts which produce a black precipate wh...

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  14. Which of the following metals will not react with solution of CuSO4 ?

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  15. Which of the following statement(s) is (are) true for Mohr's salt ?

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  16. CrO(4)^(2-) (yellow) chages to Cr(2)O(7)^(2-) (orange) in p^(H) = y. H...

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  17. The catalyst used in the manufacture of sulphuric acid by contact proc...

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  18. Iodine is liberated on adding potassium iodide solution to solution(s)...

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  19. Select the wrong statement(s) :

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  20. Which of the following statement(s) is (are) con-ect ?

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