Advertisements
Advertisements
प्रश्न
Assign oxidation numbers to the underlined element in the following species:
H4P2O7
उत्तर
H4P2O7
+1 | x | -2 |
H4 | P2 | O7 |
Then, we have
4(+1) + 2(x) + 7(-2) = 0
⇒ 4 + 2x - 14 = 0
⇒ 2x = +10
⇒ x = + 5
Hence, the oxidation number of P is + 5.
APPEARS IN
संबंधित प्रश्न
Assign oxidation numbers to the underlined element in the following species:
NaH2PO4
Assign oxidation numbers to the underlined elements in the following species:
NaBH4
What are the oxidation numbers of the underlined elements in the following and how do you rationalise your results?
CH3CH2OH
Consider the elements: Cs, Ne, I and F
Identify the element that exhibits both positive and negative oxidation states.
Consider the elements : Cs, Ne, I and F
Identify the element which exhibits neither the negative nor does the positive oxidation state.
In which of the following compounds, an element exhibits two different oxidation states.
The reaction \[\ce{Cl2 (g) + 2OH- (aq) -> ClO- (aq) + Cl- (aq) + H2O (l)}\] represents the process of bleaching. Identify and name the species that bleaches the substances due to its oxidising action.
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 phosphorus in the following species.
\[\ce{HPO^{2-}3}\]
Calculate the oxidation number of sulphur atom in the following compounds:
\[\ce{Na2S2O3}\]
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:
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 ______.
In which of the following species, the oxidation number of the atom of the underlined elements is/are equal to +1?
Oxidation number of potassium in K2O, K2O2 and KO2, respectively, is ______.