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An explosion takes place when conc. H(2)...

An explosion takes place when conc. `H_(2)SO_(4)` is added to `KMnO_(4)` due to formation of

A

MnO

B

`Mn_(2)O_(3)`

C

`Mn_(2)O_(5)`

D

`Mn_(2)O_(7)`

Text Solution

Verified by Experts

The correct Answer is:
D
`Mn_(2)O_(7)` is formed which decomposes explosively on heating.
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PRADEEP-D- AND F-BLOCK ELEMENTS-COMPETITIONS FOCUS
  1. MnO(4)^(-) reacts with Br^(-) in alkaline pH to give

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  2. Amount of oxalic acid present in a solution can be determined by its t...

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  3. An explosion takes place when conc. H(2)SO(4) is added to KMnO(4) due ...

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  4. KMnO(4)gets reduced to

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  5. The colour of KMnO(4) is due to

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  6. In acidic medium, H(2)O(2) changes Cr(2)O(7)^(2-) to CrO(5) which has ...

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  7. The reaction of aqueous KMnO(4) with H(2)O(2) i acidic conditions give...

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  8. Name the gas that can readily decolourise acidified KMnO(4) solution:

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  9. Gadolinium belongsd to 4f series. It's atomic number is 64. which of t...

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  10. The electronic configuration of Eu (Atomic No. 63), Gd (Atomic No. 64)...

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  11. Cerium (Z= 58) is an important nember of the lanthanoids . Which of th...

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  12. The atomic number of cerium (Ce) is 58. The correct electronic con...

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  13. The electronic configuration of Gd^(2+)is :

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  14. Which of the following exhibits only +3 oxidation state?

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  15. Lanthanide contraction is observed in:

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  16. Because of lanthnoid contraction, which of the following pairs of elem...

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  17. The correct order of ionic radii Y^(3+) , La^(3+) , Eu^(3+) and Lu^(3+...

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  18. The correct order of ionic radii of Ce, La, Pm and Yb in +3 oxidation ...

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  19. Identify the incorrect statement among the following:

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  20. Knowing that the chemistry of lanthanoids (Ln) is dominated by its +3 ...

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