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In which of the following oxides, the fi...

In which of the following oxides, the first is not more acidic than the second ?

A

`Mn_2O_7, Mn_2O_3`

B

`CrO_2, CrO_3`

C

`MnO, Mn_3O_4`

D

`Mn_3O_4,Mn_2O_3` .

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MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
  1. Which of the following ions have same number of unpaired electrons ?

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  2. Which of the following statements is/are wrong ?

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  3. In which of the following oxides, the first is not more acidic than th...

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  4. Which of the following statements are correct when a mixture of NaCl a...

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  5. Which of the following statements are correct with reference to ferrou...

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  6. Reduction of the metal centre in aqueous permanganate ion involves

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  7. The correct statements(s) about Cr^(2+) and Mn^(3+) is (are) [Atomic n...

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  8. Which of the following statement(s) is (are) correct when. a mixture ...

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  9. The yellow solution (X) is

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  10. The yellow solution (X) is

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  11. Which of the following compounds will give a yellow precipitate with i...

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  12. The yellow solution (X) is

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  13. The oxidation state of Cr in compound CrO5 is

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  14. Describe the formation of Coal

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  15. Why is helium placed in p-block elements although its last electron en...

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  16. The atomic numbers of three lanthanide elements X,Y and Z are 65,68 a...

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  17. Ce (Z = 58) and Yb (Z = 70) exhibit stable +4 and +2 oxidation states ...

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  18. Which of the following statements is not true?

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  19. The questions given below consist of an Assertion and the Reason. Use ...

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  20. Assertion : Cuprous salts are diamagnetic. Reason : Cu has 3d-filled...

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