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In which of the following compound Mn s...

In which of the following compound Mn shows maximum radius?

A

`MnO_(2)`

B

`KMnO_(4)`

C

`MnO`

D

`K_(3)[Mn(CN)_(6)]`

Text Solution

Verified by Experts

The correct Answer is:
C
`Mn` is in `+2` oxidation state in `MnO` while in other compounds, it is in higher oxidation state. As number of electrons per proton decreases, the size decreases.
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RESONANCE-PERIODIC TABLE & PERIODICITY-Exercise
  1. Elements of which period show maximum inert pair effect:

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  2. When the following five anions are arranged in order of decreasing ion...

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  3. In which of the following compound Mn shows maximum radius?

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  4. Which of the following is the correct order of ionisation energy? (1...

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  5. Considering the elements B, Al, Mg and K, the correct order of their m...

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  6. Fluorine has the highest electronegativity among the ns^(2) np^(5) gro...

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  7. Which one of the following arrangements represents the correct order o...

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  8. Which of the following statement is incorrect?

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  9. Identify the group (in Modern Peridic Table) and valency of a hypothet...

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  10. An element belonging to 3dseries of modern periodic table has spin mag...

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  11. An element has atomic number 29. it belongs to x period any y group. G...

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  12. How many of the following have greater 7(eff) than silicon atom: Na...

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  13. How many stable oxidation state of chromium is +n. Given the value of ...

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  14. How many of the following compounds are found to exist? BiF(5), TlC...

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  15. The Lathandies are characterized by the uniform [+n] oxidation state s...

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  16. Highest oxidation states shown by Chromium & Maganese are +x & +y resp...

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  17. If internuclear distance between A atoms in A(2) is 10 Å and between B...

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  18. Report atomic number of the element having largest size among the foll...

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  19. Find the total number of elements which have higher ionisation energy ...

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