STANDARDChemistry-Redox Reactions
STANDARD Chemistry Oxidation States MCQ Question
Type: MCQ-conceptual-Medium-Class 11
Which of the following is a decreasing order of oxidation states of the central atoms?
A
PCl₅, HIO₄, Cr₂O₇²⁻, CO₂
B
Cr₂O₇²⁻, CO₂, HIO₄, PCl₅
C
HIO₄, Cr₂O₇²⁻, PCl₅, CO₂
D
Cr₂O₇²⁻, HIO₄, CO₂, PCl₅
Correct Answer
Option C
Detailed Explanation
The oxidation states are: HIO₄ (+7), Cr₂O₇²⁻ (+6), PCl₅ (+5), CO₂ (+4). Thus, the order is HIO₄, Cr₂O₇²⁻, PCl₅, CO₂.
Found an issue with this question?
Related Questions
More from Redox Reactions
More from
Assertion (A): A redox couple with a more negative standard electrode potential is a stronger reducing agent than one with a more positive potential. ...
Standard Electrode PotentialChemistry
In the redox reaction involving H3PO2 and AgNO3, which species is reduced?
(general)Chemistry
Match Column-I with Column-II. Column-I Column-II (a) Oxidation of I – (i) MnO 4 – to MnO 2 (b) Reduction of Cr 2 O 7 2– (ii) I 2 form...
Oxidation NumberChemistry