Advertisements
Advertisements
प्रश्न
Which of the following redox couple is a stronger reducing agent?
Zn (E0 = - 0.76 V) and Fe (E0 = - 0.44 V)
Advertisements
उत्तर
Zn has a larger negative value of E0 than Fe. Thus, Zn is a stronger reducing agent than Fe.
APPEARS IN
संबंधित प्रश्न
Choose the correct option.
Oxidation number of carbon in H2CO3 is
Choose the correct option.
Oxidation number of oxygen in superoxide is
Calculate the oxidation number of the underlined atom.
HNO3
Identify the following pair of species is in its oxidized state.
Mg/Mg2+
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:
Fe2O3
Provide the stock notation for the following compound:
MnO
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)
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 is NOT an example of redox reaction?
The oxidation number of sulphur in S8 molecule is ______.
All of these are CORRECT for the complex K4[Mn(CN)6], EXCEPT:
Oxidation state of nitrogen in nitric oxide is ______.
When methane undergoes combustion in air, the oxidation number of C ____________.
What is the oxidation number of Carbon in K2C2O4?
The sum of oxidation number of all atoms in \[\ce{SnO^{2-}_3}\] ion is _______.
Which among the following pair of elements show highest oxidation state +7 in their different compounds?
The oxidation number of phosphorous in Ba(H2PO2)2 is ______.
What is the oxidation number of Cr in K2Cr2O7?
What is the oxidation state of chlorine atom in perchloric acid?
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 statements are INCORRECT?
- All the transition metals except scandium form MO oxides which are ionic.
- The highest oxidation number corresponding to the group number in transition metals oxides is attained in Sc2B5 to Mn2B7.
- Basic character increases from V2B5 to V2B4 to V2B5.
- V2B4 dissolves in acids to give VO43– salts.
- CrO is basic but Cr2B5 is atmospheric.
Choose the correct answer from the options given below:
