हिंदी

Choose the correct option. The coefficients p, q, r, s in the reaction pCrX2OX7X2Θ+qFeX2⊕⟶rCrX3⊕+sFeX3⊕+HX2O respectively are: - Chemistry

Advertisements
Advertisements

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:

विकल्प

  • 1, 2, 6, 6

  • 6, 1, 2, 4

  • 1, 6, 2, 6

  • 1, 2, 4, 6

MCQ
Advertisements

उत्तर

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: 1, 6, 2, 6

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 6: Redox Reactions - Exercises [पृष्ठ ९१]

APPEARS IN

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

संबंधित प्रश्न

Choose the correct option.

Which is the correct stock notation for manganese dioxide?


Choose the correct option.

Oxidation number of oxygen in superoxide is


Choose the correct option.

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


In which chemical reaction does carbon exhibit variation of oxidation state from - 4 to + 4? Write a balanced chemical reaction.


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


Calculate the oxidation number of the underlined atom.

H2S4O6


What is oxidation?


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

Mg/Mg2+


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


Provide the stock notation for the following compound:

FeO


Provide the stock notation for the following compound:

CuO


Assign oxidation number atom in the following species.

H3BO3


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

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


What is the oxidation number of As in H3AsO3?


What is the oxidation number of Mn in \[\ce{MnO^{2-}_4}\] ion?


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


In which of the following, oxidation number of oxygen is +2?


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


Which of the following is INCORRECT?


Carbon is present in highest oxidation number in ______.


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


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


The oxidation number of oxygen in oxygen difluoride (OF2) and dioxygen difluoride (O2F2) respectively is ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×