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प्रश्न
Consider the elements: Cs, Ne, I and F
Identify the element that exhibits only negative oxidation state.
उत्तर
F exhibits only negative oxidation state of –1.
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संबंधित प्रश्न
Assign oxidation numbers to the underlined element in the following species:
H4P2O7
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?
KI3
What are the oxidation numbers of the underlined elements in the following and how do you rationalise your results?
H2S4O6
Consider the elements: Cs, Ne, I and F.
Identify the element that exhibits only postive oxidation state.
Consider the elements: Cs, Ne, I and F
Identify the element that exhibits both positive and negative oxidation states.
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.
The exhibition of various oxidation states by an element is also related to the outer orbital electronic configuration of its atom. Atom(s) having which of the following outermost electronic configurations will exhibit more than one oxidation state in its compounds.
(i) 3s1
(ii) 3d14s2
(iii) 3d24s2
(iv) 3s23p3
Nitric acid is an oxidising agent and reacts with \[\ce{PbO}\] but it does not react with \[\ce{PbO2}\]. Explain why?
Calculate the oxidation number of sulphur atom in the following compounds:
\[\ce{Na2S4O6}\]
Match Column I with Column II for the oxidation states of the central atoms.
| Column I | Column II | |
| (i) | Ions having positive charge | (a) +7 |
| (ii) | The sum of oxidation number of all atoms in a neutral molecule |
(b) –1 |
| (iii) | Oxidation number of hydrogen ion \[\ce{(H+)}\] | (c) +1 |
| (iv) | Oxidation number of fluorine in \[\ce{NaF}\] | (d) 0 |
| (v) | Ions having negative charge | (e) Cation |
| (f) Anion |
The oxidation number of P in Mg2P207 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]
In order to oxidise a mixture of one mole of each of \[\ce{FeC2O4, Fe2(C2O4)3, FeSO4 and Fe2(SO4)3}\] in acidic medium, the number of moles of KMnO4 required is ______.
Oxidation state of sulphur in anions `"SO"_3^(2-)`, `"S"_2"O"_4^(2-)` and `"S"_2"O"_6^(2-)` increases in the orders:
