Redox Reactions questions
1186 published questions with worked solutions.
- In mildly alkaline medium, thiosulphate ion is oxidized by MnO_4^- to "A". The oxidation state of sulphur in "A" is ______.
- Dichromate ion is treated with base, the oxidation number of Cr in the product formed is______.
- The difference in oxidation state of chromium in chromate and dichromate salts is _____.
- Manganese (VI) has ability to disproportionate in acidic solution. The difference in oxidation states of two ions it forms in...
- Among the following which is the strongest oxidizing agent?
- 20 mL of 0.02 M hypo solution is used for the titration of 10 mL of copper sulphate solution, in the presence of excess of KI...
- Which of the given reactions is not an example of disproportionation reaction?
- The dark purple colour of KMnO_ 4 disappears in the titration with oxalic acid in acidic medium. The overall change in the...
- Which one of the following is an example of disproportionation reaction?
- In which one of the following sets all species show disproportionation reaction ?
- Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: An aqueous...
- Sum of oxidation states of bromine in bromic acid and perbromic acid is _________.
- During the reaction of permanganate with thiosulphate, the change in oxidation state of manganese occurs by value of 3. Identify...
- The volume of 0.02 M aqueous HBr required to neutralize 10.0 mL of 0.01 M aqueous Ba(OH)_2 is (Assume complete neutralization)
- Among the following, the number of elements showing only one non-zero oxidation state is O, Cl, F, N, P, Sn, Tl, Na, Ti
- The difference in the oxidation numbers of the two types of sulphur atoms in Na_2S_4O_6 is
- Reaction of Br_2 with Na_2CO_3 in aqueous solution gives sodium bromide and sodium bromate with evolution of CO_2 gas. The number...
- Oxidation states of the metal in the minerals haematite and magnetite, respectively, are
- Reduction of the metal centre in aqueous permanganate ion involves
- Which ordering of compounds is according to the decreasing order of the oxidation state of nitrogen?
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