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Which one of the following pairs of ions...

Which one of the following pairs of ions have the same electronic configuration?

A

`Cr^(+3), Fe^(+3)`

B

`Fe^(+3), Mn^(+2)`

C

`Fe^(+3), Co^(+3)`

D

`Sc^(+3), Cr^(+3)`

Text Solution

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The correct Answer is:
B
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NARAYNA-D - BLOCK ELEMENTS-CUQ (INTRODUCTION)
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  4. Which element exhibits highest density in 3d series

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  6. The IP of Zr is 674kJ//"mole". The IP of Hf is

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  8. Maximum oxdiation state exhibited by Osmium is

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  9. Which of the following ion is coloured in its aqueous solution?

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  10. In which pair, both ions are coloured in aqueous medium

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  11. Name the catalyst and promoter in the Haber's process for the manufact...

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  12. The following metal shows ferromagnetic nature

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  13. For a paramagnetic substance, the field strength of substance (B) and ...

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  18. Assertion (A): Zinc-copper couple that can be used as a reducing agent...

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