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

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

A

`+1`

B

`+2`

C

`+3`

D

`-1`

Text Solution

Verified by Experts

The correct Answer is:
A, B
Cu shows only +1,+2, oxidation states
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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. Select the compounds having metal in zero oxidation state

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

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

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  4. Duraluminium an alloy contains :

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  5. Manganese steel contains

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

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

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

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  9. K2MaO4 is formed when :

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

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

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

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

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

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

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

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

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  18. Select the wrong statement(s) :

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

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  20. CuCN reacts with FeCl3 to give

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