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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता ११ वी

Provide the stock notation for the following compound: HAuCl4 - Chemistry

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प्रश्न

Provide the stock notation for the following compound:

HAuCl4

एका वाक्यात उत्तर

उत्तर

+1 +3 –1
\[\ce{HAuCl4->HAu(III)Cl4}\]

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Oxidation Number
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पाठ 6: Redox Reactions - Exercises [पृष्ठ ९२]

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बालभारती Chemistry [English] 11 Standard
पाठ 6 Redox Reactions
Exercises | Q 3. (G) | पृष्ठ ९२

संबंधित प्रश्‍न

Choose the correct option.

The coefficients p, q, r, s in the reaction \[\ce{{p}Cr2O7^{2Θ} + {q}Fe^{2⊕}->{r}Cr^{3⊕} + {s}Fe^{3⊕} + H2O}\] respectively are:


Choose the correct option.

Which of the following halogens does always show oxidation state -1?


Choose the correct option.

The process \[\ce{SO2->S2Cl2}\] is


Calculate the oxidation number of the underlined atom.

HNO3


Calculate the oxidation number of the underlined atom.

Cr2O72−


Calculate the oxidation number of the underlined atom.

NaH2PO4


Justify that the following reaction is redox reaction; identify the species oxidized/reduced, which acts as an oxidant and which acts as a reductant.

\[\ce{HF_{(aq)} + {OH}^-_{ (aq)}->H2O_{(l)} + {F}^ -_{ (aq)}}\]


Identify the following pair of species is in its oxidized state?

\[\ce{O2/O^2-}\]


Identify the following pair of species is in its oxidized state?

Cl2/Cl


Justify the following reaction as a redox reaction.

\[\ce{2Na_{(s)} + S_{(s)}->Na2S_{(s)}}\]

Find out the oxidizing and reducing agents.


Assign oxidation number atom in the following species.

\[\ce{Cr(OH)^Θ_4}\]


Which of the following redox couple is a stronger oxidizing agent?

Cl2 (E0 = 1.36 V) and Br2 (E0 = 1.09 V)


Which of the following redox couple is a stronger oxidizing agent?

\[\ce{MnO^Θ_4}\](E0 = 1.51 V) and \[\ce{Cr2O^{2Θ}_7}\](E0 = 1.33 V)


Complete the following table:

Assign oxidation number to the underlined species and write Stock notation of compound

Compound Oxidation number Stock notation
AuCl3    
SnCl2    
\[\ce{\underline{{V}}_2O^{4-}_{7}}\]    
\[\ce{\underline{{Pt}}Cl^2-_6}\]    
H3AsO3    

In the reaction,

\[\ce{MnO^{-1}_4 (aq) + Br^{-1}(aq) -> MnO2(s) + BrO^{-1}_3(aq)}\]

the correct change in oxidation number of the species involved is ______.


Which of the following is NOT an example of redox reaction?


In the complex [Co(en)3]Cl3, ____________.


The oxidation number of sulphur in S8 molecule is ______.


Match the following.

Compound Oxidation no. of underlined element
i. \[\ce{\underline{C}_4H4O^{2-}_6}\] a. +2.5
ii. \[\ce{\underline{N}_3H}\] b. +1.5
iii. \[\ce{Mg2\underline{P}_2O7}\] c. +5
iv. \[\ce{Na2\underline{S}_4O6}\] d. `-1//3`

All of these are CORRECT for the complex K4[Mn(CN)6], EXCEPT:


In which among the following compounds, oxidation number of nitrogen is + 5?


Which of the following is INCORRECT?


The sum of oxidation states of all atoms in \[\ce{Cr2O^{2-}_7}\] ion is ______.


What is the oxidation number of Carbon in K2C2O4?


The brown ring complex is formulated as [Fe(H2O)5NO]SO4. The oxidation number of iron is ______.


Which of the following explanation is correct about the given below reaction?

\[\ce{Cr2O^2-_7 + H2O -> 2CrO^2-_4 + 2H+}\]


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