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When a large amount of KMnO4 is added to...

When a large amount of `KMnO_4` is added to concentrated `H_2SO_4`, an explosive compound is formed. The formula of the compound is

A

`Mn_2O_7`

B

`Mn_3O_4`

C

`MnO_3`

D

`MnO_3^+`

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The correct Answer is:
A
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AAKASH SERIES-REVISION EXERCISE -d-BLOCK ELEMENTS
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  2. The observed and calculated E^0 values for M^(+2)/M are same for

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  3. When a large amount of KMnO4 is added to concentrated H2SO4, an explos...

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  4. Reaction of KMnO4 in neutral or very weakly acidic solution can be rep...

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  5. When KMnO4 is added to oxalic acid, the decolourisation is slow in the...

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  6. A solution of potassium chromate is treated with an excess of dilute n...

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  7. K2Cr2O7 cannot be used for

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  8. When acidified solution of potassium dichromate is shaken with aqueous...

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  9. The blue colour produced on adding hydrogen peroxide to acidified K2Cr...

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  10. Which of the following metals is known to form acidic oxide

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  11. In the dichromate dianion

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  12. The oxidation state of chromium in the final product formed by the rea...

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  13. Which of the following element has f electro nic configuration in its ...

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  14. The natures of the oxides CrO and CrO3, respectively

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  15. Acedified K2Cr2O7 cannot oxidise

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  16. The equilibrium Cr2O7^(2-) hArr 2CrO4^(2-)

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  17. The correct statement among the following is

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  18. Identify the correct statements among the following I) Both Cr and...

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  19. Which of the following has very high IP2 value

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  20. Zn, Cd and Hg are only 'd' block elements but not transition elements ...

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