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Reduction of the metal centre in aqueous...

Reduction of the metal centre in aqueous permanganate ion involves

A

3 electrons in neutral medium

B

6 electrons in neutral medium

C

3 electrons in alkaline medium

D

5 electrons in acidic medium.

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MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
  1. Which of the following statements are correct when a mixture of NaCl a...

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

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

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  4. Write lewis dot symbol for following elements : aluminium

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

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  6. What happens when potassium dichromate is heated with sodium chloride ...

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  7. The yellow solution (X) is

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  8. The bond order between C and C in ethyne according to lewis.

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  9. Write lewis dot symbol for following elements : silicon

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  10. The oxidation state of Cr in compound CrO5 is

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  11. Draw lewis structure of PF3

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  12. Draw lewis dot structure of SF2

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

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

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  15. Which of the following statements is not true?

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  16. Assertion : Tungsten has very high melting point. Reason : Tungsten ...

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

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  18. Electronic configuration of Fe^2+.........

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  19. Why is La(OH)3 more basic than Lu(OH)3 ?

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  20. Assertion : FeCl3 reacts with KCNS to give blood red colouration. Re...

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