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Identify the correct statements :...

Identify the correct statements :

A

Iron is the most abundant transition metal

B

Cast iron is the purest form of iron

C

The most stable oxidation state of iron is +3

D

Iron does not form amalgam with mercury

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The correct Answer is:
A, C, D
wrought Iron is purest form of Iron
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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. Mercurous ion can be represented as

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  2. Transition elements with 4s^(1) configuration are:

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  3. Identify the correct statements :

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  4. An element of 3d-transition series shows two oxidation states x and y,...

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  5. Which of the following forms interestitial compounds(s)?

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  6. The stable oxidation state of Mn are

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  7. Which of the following compounds is coloured

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  8. Which of the following compounds is expected to be coloured :

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  9. The aqueous solution of the following salt will be coloured in the cas...

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  10. A metal M and is compound can give the following observable changes in...

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  11. Each of the following ion contains vanadium the + V oxidation state ex...

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  12. Which of the following are not coloured due lo charge transfer

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  13. Oxides of which of the following melals show oxidation state of +8 ?

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  14. Select the compounds having metal in zero oxidation state

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

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

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  17. Duraluminium an alloy contains :

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  18. Manganese steel contains

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

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

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