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The oxidation state of an element in a p...

The oxidation state of an element in a particular compound can be defined as

A

The charge aquired by its atom on the basis of electronegative consideration from other atoms in the molecule.

B

The residual charge acquired by its atom after removing all electronagative atoms from the molecule.

C

The valency of the most electronegative atom present in the molecule

D

Total number of electrons accepted by an atom to form a molecule.

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A
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The oxidation number of an element in a compound decides its nature to acts as oxidant or reductant. Oxidation number is defined and the residual charge which an atom has or appears to have in a molecule whenal other atoms are removed from the molecule as ions. Oxidation number is frequently used interchangebly with oxidation state. The stock notations of oxidation number are based on the periodic property-electronegativity. An atom in a molecule can be assigned positive, negative or zero oxidation number by considering its environment. In few cases, oxidation number can evenn be fractional. Oxidation number of Y in YBa_(2)Cu_(2)O_(7) is +3, then oxidation number of Cu is:

The oxidation number of an element in a compound decides its nature to acts as oxidant or reductant. Oxidation number is defined and the residual charge which an atom has or appears to have in a molecule whenal other atoms are removed from the molecule as ions. Oxidation number is frequently used interchangebly with oxidation state. The stock notations of oxidation number are based on the periodic property-electronegativity. An atom in a molecule can be assigned positive, negative or zero oxidation number by considering its environment. In few cases, oxidation number can evenn be fractional. Oxidation number of oxygen in K_(2)O, K_(2)O_(2),KO_(2),KO_(3) are in the order:

Positive oxidation state of an element indicates that it is -

The possible oxidation states of elements P,Q & R in the compound PQR_3 respectively are

Two oxidation states for chlorine are found in the compound :

Oxidation state of Fe in compound (F) is

The common oxidation state shown by Europium in their compounds is

The oxidation state of A, B , and C in a compound are +2, +5 , and -2 , respectively. The compounds is

The stability of particular oxidation state of a metal in aqueous solution is determined by

The stability of particular oxidation state of a metal in aqueous solution is determined by

NCERT FINGERTIPS ENGLISH-CLASSIFICATION OF ELEMENTS AND PERIODICITY -Assertion And Reason
  1. The oxidation state of an element in a particular compound can be defi...

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  2. Assertion:According to mendeleev,the properties of elements are a peri...

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  3. Assertion:Atomic number is a more fundamental property of an element t...

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  4. Assertion:Atomic number of the element ununtrium is 113. Reason:Accor...

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  5. Assertion:In the present form of periodic table,the period number corr...

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  6. Assertion:The chemistry of the early actinoids is more comlicated than...

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  7. Assertion:The atomic size generally increases across a period and decr...

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  8. Assertion:Among isoelectronic species,the cation with the greater posi...

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  9. Assertion:On moving down the group the group,ionization enthalpy decre...

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  10. Assertion:For the elements O or F,the electron gain enthalpy is less n...

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  11. Assertion: Shielding effect increases as we go down the group. Reaso...

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  12. Assertion:Electronegativity is not a measurable quantity. Reason:The e...

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  13. Oxidation state of oxygen in OF(2) and Na(2)O is +2 and -2 respectivel...

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  14. Assertion:Boron can only form [BF(4)]^(-),whereas aluminium forms[AlF(...

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  15. Assertion:Metallic character is highest at the extremely left side of ...

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  16. Assertion:Na(2)O is basic whereas Cl(2)O(7) is acidic oxide. Reason:E...

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