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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता ११ वी

Complete the following table: Assign oxidation number to the underlined species and write Stock notation of compound Compound Oxidation number Stock notation AuCl3 SnCl2 V_X2OX74− Pt_ClX62− H3AsO3

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प्रश्न

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    
तक्ता
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उत्तर

Compound Oxidation number Stock notation
AuCl3 +3 Au(III)Cl3
SnCl2 +2 Sn(II)Cl2
\[\ce{\underline{{V}}_2O^{4-}_{7}}\] +5 \[\ce{V2(V)O^4-_7}\]
\[\ce{\underline{{Pt}}Cl^2-_6}\] +4 \[\ce{Pt(IV)Cl^2-_6}\]
H3AsO3 +3 H3As(III)O3
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पाठ 6: Redox Reactions - Exercises [पृष्ठ ९२]

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बालभारती Chemistry [English] Standard 11 Maharashtra State Board
पाठ 6 Redox Reactions
Exercises | Q 5 | पृष्ठ ९२

संबंधित प्रश्‍न

Choose the correct option.

Oxidation numbers of Cl atoms marked as Cla and Clb in CaOCl2 (bleaching powder) are

\[\begin{array}{cc} \ce{Cl^{{a}}}\phantom{.} \\/\phantom{...} \\ \ce{Ca}\phantom{......} \\ \backslash\phantom{..} \\\phantom{........} \ce{O-Cl^{{b}}}\phantom{.} \end{array}\]


Choose the correct option.

Oxidation number of carbon in H2CO3 is


Choose the correct option.

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


Calculate the oxidation number of the underlined atom.

H3PO3


Calculate the oxidation number of the underlined atom.

H2S4O6


Calculate the oxidation number of the underlined atom.

Cr2O72−


Calculate the oxidation number of the underlined atom.

NaH2PO4


What is oxidation?


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

Mg/Mg2+


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

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


Provide the stock notation for the following compound:

HAuCl4


Provide the stock notation for the following compound:

Fe2O3


Provide the stock notation for the following compound:

CuO


The following statements are CORRECT, EXCEPT:


The oxidation number of oxygen in peroxides is ____________.


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


In the following reaction, the oxidation number of Cr changes.

\[\ce{ClO^-_{( aq)} + Cr(OH)^-_{4(aq)} -> CrO^{2-}_{4(aq)} + Cl^-_{( aq)} (basic)}\]


Identify the strongest oxidising agent.

\[\ce{Na^+ + e^- -> Na}\]; E0 = −2.714 V

\[\ce{Pt^{2+} + 2e^- -> Pt}\]; E0 = +1.200 V

\[\ce{I2 + 2e^- -> 2I^-}\]; E0 = + 0.535 V

\[\ce{Co^{2+} + 2e^- -> Co}\]; 0 = −0.280 V


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`

Oxidation state of nitrogen in nitric oxide is ______.


Carbon is present in highest oxidation number in ______.


The oxidation number of phosphorous in Ba(H2PO2)2 is ______.


What is the oxidation state of chlorine atom in perchloric acid?


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


Which of the following statements are INCORRECT?

  1. All the transition metals except scandium form MO oxides which are ionic.
  2. The highest oxidation number corresponding to the group number in transition metals oxides is attained in Sc2B5 to Mn2B7.
  3. Basic character increases from V2B5 to V2B4 to V2B5.
  4. V2B4 dissolves in acids to give VO43– salts.
  5. CrO is basic but Cr2B5 is atmospheric.

Choose the correct answer from the options given below:


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