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Which of the oxide of manganese is amoho...

Which of the oxide of manganese is amohoteric

A

`MnO_2`

B

`Mn_2O_3`

C

`Mn_2O_7`

D

`MnO`

Text Solution

Verified by Experts

The correct Answer is:
A
`MnO_2` forms amphoteric oxide due to intermediate oxidation state.
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ERRORLESS-THE d-AND f- BLOCK ELEMENTS -NCERT BASED QUESTIONS (Compounds of Transitional Elements)
  1. Why Mn^(2+) compounds are more stable than Fe^(2+) compounds towards o...

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  2. Potassium permanganate acts as an oxidant in neutral, alkaline as well...

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  3. Which of the oxide of manganese is amohoteric

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  4. MnO(4)^(-) reacts with Br^(-) in alkaline pH to give

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  5. Which of the following statement is incorrect for KMnO4

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  6. Mn^(2+) can be converted into Mn^(7+) by reacting with

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  7. Formula of thiosulphate, manganate and arsenate respectively are

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  8. The number of moles of KMnO(4) that will be needed to react completely...

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  9. When a brown compound of Mn (A) is teated with HCl, it gives a gas (B)...

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  10. On addition of small amoung of KMnO(4) to concentrated H(2)SO(4), a gr...

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  11. When KMnO(4) solution is added to oxalic acid solution , the decolouri...

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  12. KMnO(4) acts as an oxidising agent in acidic medium. The number of mol...

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  13. KMnO(4) acts as an oxidising agent in alkaline medium when alkaline KM...

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  14. Why HCl not used to make the mdeium acidic in oxidation reactions of K...

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  15. Reaction of solid KMnO4 which conc. H2SO4 produces manganese heptoxide...

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  16. Higher oxidation state of manganese in fluoride is +4 (MnF(4)) but hig...

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  17. Invar, an alloy of Fe and Ni is used in watches and meter scale, its c...

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  18. The percentage of carbon in cost iron is :

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  19. Purest form of iron is

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  20. The form of iron having the highest carbon content is

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