NEET Chemistry Oxidation Number MCQ Question
Which of the following statements about oxidation numbers is correct?
The oxidation number of all elements in a compound must sum to zero.
Nonmetallic elements can only have negative oxidation numbers.
The oxidation number of an atom in a polyatomic ion must equal the charge of the ion.
Transition metals always exhibit a single positive oxidation state.
Correct Answer
Detailed Explanation
According to the NCERT context, the oxidation number of all the atoms in a compound must be zero, while in a polyatomic ion, the algebraic sum of the oxidation numbers must equal the charge on the ion.
Found an issue with this question?
Related Questions
More from Oxidation Number
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. ...
In the redox reaction involving H3PO2 and AgNO3, which species is reduced?
Match Column-I with Column-II. Column-I Column-II (a) Oxidation in redox reactions (i) Gain of electrons (b) Reducing agent ...