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Oxidation numbers of sodium, mercury in ...

Oxidation numbers of sodium, mercury in sodium amalgam are 

A

zero, zero

B

`+1, -1`

C

`-2, +2`

D

`0, +1`

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The correct Answer is:
A
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Oxidation number is the charge which an atom of an element has in its ion or appears to have when present in the combined state. It is also called oxidation state. Oxidation number of any atom in the elementary state is zero. Oxidation number of a monoatomic ion is equal to the charge on it. In compounds of metals with non metals, metals have positive oxidation number while non metals have negative oxidation numbers. In compounds of two difference elements, the more electronegative element has negative oxidation number whereas the other has positive oxidation number. In complex ions, the sum of the oxidation number of all the atoms is equal to the charge on the ion. If a compound contains two or more atoms of the same element, they may have same or different oxidation states according as their chemical bonding is same or different. Oxidation number of sodium in sodium amalgam is

The oxidation state of sodium in sodium amalgam is

Sodium crystallizes in a bcc lattice, hence the coordination number of sodium in sodium metal is

The number of s’ electrons in sodium atom is

Mention the preparation and ussers of sodium nitrate and sodium nitrate.

The oxidation number of phosphorus in sodium hypophosphite is

AAKASH SERIES-STOICHIOMETRY-OBJECTIVE EXERCISE - 1
  1. In the reaction of chlorine with dry slaked lime, the oxidation number...

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  2. When copper is added to a solution of silver nitrate, silver is precip...

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  3. Oxidation numbers of sodium, mercury in sodium amalgam are

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  4. Chlorine is passed into dilute, cold KOH solution. What are the oxidat...

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  5. The oxidation state of sulphur in Na(2)S(4)O is

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  6. The oxidation number of sulphur in S(2)O(8)^(2-)

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  7. Phosphorous exhibits highest oxidation state in

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  8. Iron has the lowest oxidation state in

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  9. The oxidation number of Cr in CrO(5) is

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  10. {:("LIST - 1","LIST - 2"),("A) "NH(3),"1) Oxidant"),("B) "KMnO(4),"2) ...

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  11. In the reaction, I(2)+2KClO(3)rarr2KIO(3)+Cl(2) i) Iodine is oxidise...

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  12. Oxidation number of iron in Na(2)[Fe(CN)(5)NO]

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  13. The oxidation number of phosphorus in sodium hypophosphite is

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  14. Which of the following reactions does not involve the change in oxidat...

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  15. Oxidation state of oxygen in potassium superoxide is

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  16. Average oxidation number of iodine in KI(3)

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  17. The oxidation number of nitrogen in NCI(3) is

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  18. What are the oxidation numbers of 'N' in NH(4)NO(3)?

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  19. The oxidation state of phosphorus in Ba(H(2)PO(2))(2) is

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  20. In which  one of the following compounds the oxidation numberof iodine...

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