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The more electro positive element has...

The more electro positive element has

A

positive reduction potential

B

negative reduction potential

C

tendency to gain electrons

D

negative oxidation potential

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The correct Answer is:
B
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The least electro positive element

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. The oxidation state of the most electronegative element in the products of the reaction between BaO_(2) and H_(2)SO_(4) are

Which one of the following generally gets displaced by more electro positive metals in nonmetal displacement reactions.

Which one of the following generally gets displaced by more electro positive metals in nonmetal displacement reactions.

James (A) : The positive ions of an element has less in size than its neutral atom. Srinu (B) : The negative ion of an element has less in size than its neutral atom.

Observe the information and answer the following questions which element has more electro-positivity ?

Which one of the following elements has more electropositivity ?

How do you account for the highly electro-positive nature of alkali metals ?

AAKASH SERIES-ELECTROCHEMISTRY -LEVEL-I ( EXERCISE-I)
  1. (A) : Lithium has less electrode potential than caesium (R) : Hydr...

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  2. The reference electrode is made by using

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  3. The more electro positive element has

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  4. The correct match is

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  5. A smuggler could not carry gold by depositing iron on the gold surface...

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  6. Standard reduction electrode potential of three metals A, B and C are ...

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  7. The difference of potential of two electrodes in a galvanic cell is kn...

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  8. Zn gives H2 gas with H2SO4 and HCl but not with HNO3 because

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  9. When Zn piece is kept in CuSO4 solution, copper gets precipitated beca...

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  10. For I2 + 2e to 2I^(-) , standard reduction potential = + 0.54 volt. Fo...

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  11. Beryllium is placed above magnesium in the Il group. When beryllium du...

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  12. E^(@) for Fe^(2+) + 2e to Fe is -0.44 V , E^(@) for Zn^(2+) + 2e to ...

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  13. Based on the data given below , the correct order of reducing power i...

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  14. For the cell prepared from electrod A , Cr2O7^(2-) |Cr^(3+) , E("red"...

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  15. The S.R.Ps of Cu^(2+) // Cu , Hg^(2+)//Hg and Zn^(2+)//Zn are respecti...

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  16. The E(M^(3+)|M^(2+))^(0) values for Cr, Mn, Fe and Co are -0.41, +1.57...

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  17. (A): A blue colour is obtained when a copper wire is immersed in AgNO3...

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  18. The half cell reaction, with its standard reduction potentials are ...

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  19. A student made the following observations in the laboratory, A) Cl...

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  20. Four colourless salt solutions are placed in separate test tubes and a...

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