हिंदी

Which of the following redox couple is a stronger oxidizing agent? MnOX4Θ(E0 = 1.51 V) and CrX2OX72Θ(E0 = 1.33 V)

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प्रश्न

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)

एक पंक्ति में उत्तर
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उत्तर

\[\ce{MnO^Θ_4}\] has larger positive value of E0 than \[\ce{Cr2O^{2Θ}_7}\]. Thus, \[\ce{MnO^Θ_4}\] is stronger oxidizing agent than \[\ce{Cr2O^{2Θ}_7}\].

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अध्याय 6: Redox Reactions - Exercises [पृष्ठ ९२]

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बालभारती Chemistry [English] Standard 11 Maharashtra State Board
अध्याय 6 Redox Reactions
Exercises | Q 3. (I)(b) | पृष्ठ ९२

संबंधित प्रश्न

Choose the correct option.

Which is the correct stock notation for manganese dioxide?


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.

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


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:

HAuCl4


Assign oxidation number atom in the following species.

\[\ce{Cr(OH)^Θ_4}\]


The following statements are CORRECT, EXCEPT:


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?


Stock notations are used to specify the oxidation numbers of ____________.


When methane undergoes combustion in air, the oxidation number of C ____________.


Which of the following is INCORRECT?


The oxidation state of phosphorous in Mg2P2O7 is ______.


Carbon is present in highest oxidation number in ______.


The oxidation number of Cr in \[\ce{Cr(OH)^-_4}\] ion is ______.


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


What is the oxidation number of Cr in K2Cr2O7?


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?

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


Which of the following changes exhibit that nitrogen undergoes oxidation?


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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