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प्रश्न
Consider the elements : Cs, Ne, I and F
Identify the element which exhibits neither the negative nor does the positive oxidation state.
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उत्तर
The oxidation state of Ne is zero. It exhibits neither negative nor positive oxidation states.
संबंधित प्रश्न
Assign oxidation numbers to the underlined elements in the following species:
K2MnO4
Assign oxidation numbers to the underlined elements in the following species:
NaBH4
Assign oxidation numbers to the underlined elements in the following species:
KAl(SO4)2.12 H2O
What are the oxidation numbers of the underlined elements in the following and how do you rationalise your results?
H2S4O6
What is the oxidation numbers of the underlined elements in the following and how do you rationalise your results?
Fe3O4
What are the oxidation numbers of the underlined elements in the following and how do you rationalise your results?
CH3CH2OH
What is the oxidation number of the underlined elements in the following and how do you rationalise your results?
CH3COOH
The oxidation number of an element in a compound is evaluated on the basis of certain rules. Which of the following rules is not correct in this respect?
In which of the following compounds, an element exhibits two different oxidation states.
Nitric acid is an oxidising agent and reacts with \[\ce{PbO}\] but it does not react with \[\ce{PbO2}\]. Explain why?
Match Column I with Column II for the oxidation states of the central atoms.
| Column I | Column II |
| (i) \[\ce{Cr2O^{2-}7}\] | (a) + 3 |
| (ii) \[\ce{MnO^{-}4}\] | (b) + 4 |
| (iii) \[\ce{VO^{-}3}\] | (c) + 5 |
| (iv) \[\ce{FeF^{3-}6}\] | (d) + 6 |
| (e) + 7 |
The oxidation number of P in Mg2P207 is ____________.
The oxidation number of U in \[\ce{UO2(NO3)2}\] is ______.
The oxidation number and covalency of sulphur in sulphur molecules (Sg) are:
The oxidation states of iron atoms in compounds (A), (B) and (C), respectively are x, y, z. The sum of x, y, z is ______.
(A) Na4[Fe(CN)5(NOS)]
(B) Na4[FeO4]
(C) [Fe2(CO)9]
On reaction with a stronger oxidizing agent like KIO4, hydrogen peroxide with the evolution of O2. The oxidation number of I in KIO4 changes to ______.
Oxidation state of sulphur in anions `"SO"_3^(2-)`, `"S"_2"O"_4^(2-)` and `"S"_2"O"_6^(2-)` increases in the orders:
