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Choose the correct option. Oxidation numbers of Cl atoms marked as Cla and Clb in CaOCl2 (bleaching powder) are

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प्रश्न

Choose the correct option.

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

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

पर्याय

  • zero in each

  • -1 in Cla and +1 in Clb

  • +1 in Cla and -1 in Clb

  • 1 in each

MCQ
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उत्तर

Oxidation numbers of Cl atoms marked as Cla and Clb in CaOCl2 (bleaching powder) are -1 in Cla and +1 in Clb

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 6: Redox Reactions - Exercises [पृष्ठ ९१]

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बालभारती Chemistry [English] Standard 11 Maharashtra State Board
पाठ 6 Redox Reactions
Exercises | Q 1. (A) | पृष्ठ ९१

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.

Oxidation number of oxygen in superoxide is


Choose the correct option.

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


In which reaction does nitrogen exhibit variation of oxidation state from –3 to +5?


Calculate the oxidation number of the underlined atom.

H2SO4


Calculate the oxidation number of the underlined atom.

HNO3


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.

\[\ce{I2_{(aq)} + 2S2O^{2-}_{3(aq)}->S4O^{2-}_{6(aq)} + 2I^-_{ (aq)}}\]


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.


Provide the stock notation for the following compound:

Fe2O3


Assign oxidation number atom in the following species.

\[\ce{Cr(OH)^Θ_4}\]


Assign oxidation number atom in the following species.

Na2S2O3


Assign oxidation number atom in the following species.

H3BO3


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

Li (E0 = - 3.05 V) and Mg (E0 = - 2.36 V)


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

Zn (E0 = - 0.76 V) and Fe (E0 = - 0.44 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    

The oxidation number of oxygen in peroxides is ____________.


What is the oxidation number of As in H3AsO3?


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


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

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


Which of the following is INCORRECT?


The sum of oxidation number of all atoms in \[\ce{S2O^{2-}_3}\] ion is ______.


The oxidation state of phosphorous in Mg2P2O7 is ______.


What is the average oxidation number of sulphur in tetrathionate ion?


Among group 16 elements, which one does not show −2 oxidation state?


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