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Transition elements with 4s^(1) configur...

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

A

Cr

B

Mn

C

Ni

D

Cu

Text Solution

Verified by Experts

The correct Answer is:
A, D
`Cr=(Ar)3d^5 4s^1`
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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. Which statements about mercury are correct?

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  2. Mercurous ion can be represented as

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

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  4. Identify the correct statements :

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

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

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  7. The stable oxidation state of Mn are

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  8. Which of the following compounds is coloured

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

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

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

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

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

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

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  15. Select the compounds having metal in zero oxidation state

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

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

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  18. Duraluminium an alloy contains :

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  19. Manganese steel contains

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

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